Answer:
A
Explanation: they needed faster transportation and different ways to attack
Answer:
Slavery is a term that signifies the injustice that is being carried out against humans since the 1600s. Whenever this word comes up, usually people picture rich white people ruling over black people. However, that is not the only case to exist. After a profound study, historians found evidence that suggested the presence of slavery in almost every culture. It was not essentially in the form of people working in the fields, but other forms. Slavery generally happens due to the
division of levels amongst humans in a society. It still exists in various parts of the world. It may not necessarily be that hard-core, nonetheless, it happens.
Slavery Essay
Impact of Slavery
Slavery is one of the main causes behind racism in most of the cultures. It did severe damage to the race relations of America where a rift was formed between the whites and blacks.
The impact of Slavery has caused irreparable damage which can be seen to date. Even after the abolishment of slavery in the 1800s in America, racial tensions remained amongst the citizens.
In other words, this made them drift apart from each other instead of coming close. Slavery also gave birth to White supremacy which made people think they are inherently superior just because of their skin color and descendant.
Talking about the other forms of slavery, human trafficking did tremendous damage. It is a social evil which operates even today, ruining hundreds and thousands of innocent lives. Slavery is the sole cause which gave birth to all this.
Answer: Japanese air-raid on Pearl Harbor (Japanese did not declare war to the U.S.A, so it was absolutely unexpected). December 1941.
Explanation:
Pasteurization is a process where certain packaged or non-packaged food such as milk or fruit are treated with mild heat. The goal of this process is to eliminate pathogens ( infectious agent or germ) and to extend the product's shelf life.
The inventor of pasteurization was the French scientist<em> Luis Pasteur</em>. In his research he demonstrated that thermal treatment would inactivate unwanted microorganisms in wine.
Vaccination is the application of antigenic material (vaccine) to stimulate the body's immune system and to develop an immunity to a pathogen (germ).
Smallpox was the first ever disease for which a vaccine was developed. It was invented in 1976 by the English physician<em> Edward Jenner.</em> Jenner was the first person to publish evidence that the vaccine was effective. The name vaccination derives from Latin<em> vacca </em>(cow), because it was derived from a virus affecting cows.
