Answer:
The fifteenth century was an exciting time in Europe. People became more interested in the world around them. The invention of movable type helped spread information and new ideas. Artists and writers flourished. At the same time, nations saw trade as a way of increasing their wealth. Merchants dreamed of new sources for goods such as gold and spices. For centuries, Arab traders had controlled existing trade routes to Africa and Asia, which meant European merchants were forced to buy from Italian traders at high prices. They wanted to trade directly with Africa and Asia, but this meant that they had to find a new sea route. The stakes were high. Whoever succeeded in establishing trade relationships would in all likelihood become rich and achieve great famefor himself and for his country. However, exploration of this nature was very dangerous business. Superstitions persisted about what lay beyond Africa’s Cape of Good Hope, as no European had even seen the west coast of Africa beyond the Sahara. There were no maps or charts and very little knowledge of winds or currents.
Since the Portuguese were at peace and not locked in war the way France and England were, they became the first to accept the challenge of sailing uncharted waters, thanks to Prince Henry, who became known as Prince Henry the Navigator. Though Prince Henry did not sail himself, he made it possible for others to do so. He set up a center for exploration where interested people could share their knowledge of geography. Here they learned all they could about maps and navigation, including the use of the magnetic compass and the astrolabe. Portuguese shipbuilders developed a new kind of ship called a caravel, which could sail into the wind as well as with the wind. Armed with this knowledge, Portugal led the way. During the 1440s, brave sailors set sail and explored the African coast farther than ever before. In 1488 Bartholomeu Dias managed to sail around the southern tip of Africa, only to turn back because the crew was afraid to continue. Ten years later, Vasco da Gama completed the voyage around Africa and on to India. These accomplishments paved the way for others to explore and reach the riches of Asia. Even more important, Prince Henry’s sailors overcame the fear of the unknown and led the way for others to turn westward to the Atlantic and the Americas, where eventually the small settlement of Jamestown would be born.
Explanation:
The entity integrity rule states that a primary key attribute can be null. Thus the statement is false.
<h3>What is an entity?</h3>
An entity is refer to any object that exists in reality. These entities are Independent in nature. Each row in a table should be a distinct entity, which is ensured by entity integrity.
The entity integrity rule states that a primary key attribute can not be null as it shows unique characteristics of an entity.No primary key value can be null according to the entity integrity constraint because it is needed to identify specific attribute values in relation.
Therefore, the statement is False.
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The answer is C. <span>sets of learned behaviors and ideas that human beings acquire as members of society, together with the material artifacts and structures that human beings create and use
Culture will determine which type of behaviors would be considered as 'right' and which type of behavior would be considered as 'wrong'.
This will tend to shape up the overall perspective of each of its members if they're exposed to that culture long enough.</span>
Answer:
B. Those in arranged marriages were significantly more satisfied.
Explanation:
Empirical research amongst couples in arranged marriages and others born out of choice has has for a while an arguable turning point to counselling experts and also psychologists. But according to research which has been carried out on several occasions and surveys been done while factors like gender, age, religion and cultural values have been you as criteria for making up the fact that couples who find themselves in arranged marriages are significantly more satisfied than their counterparts which were born out of choice.
The findings showed that most of the respondents agree to the statement that lack of effective communication is the bane to breakdown in marriage. Findings from this study help us know that couples consider communication serious in their relationship starting with the courtship stage.
