Answer:
A peace treaty between Athens and Sparta did not last long, and in 431 B.C. the Peloponnesian War began. Fighting in Greece continued for most of the next 27 years. Herodotus was still alive at the start of the Peloponnesian War, but another Greek, Thucydides, would write its history.
Explanation:
To enforce referential integrity, the database can return an error instead of doing the requested action or do the requested action and do the related changes to the related tables
Thus the answer is either a or b.
Explanation:
When the given data base in a table is valid and if it is consistent then it is called as referential integrity and it also refers to the consistency within the relationship. This type of database is much important because it will keep us introducing to the errors in the databases and it also checks if the reference from one table is equal to the other table.
The main function is to prevent the users from entering the wrong and inconsistent data. So in referential integrity the database will return the error instead of doing the required action or it can do the related changes to the related tables.
Answer: <em>Phenakistoscope</em>
Explanation:
The phenakistoscope is referred as the first animation device that was known to create fluid illusions of motions. It is also regarded as one of the first type of motion media entertainment which later paved the road for future motion film and picture industry. example a GIF. It was introduced in Le Figaro, a French newspaper, the term was derived from the Greek word <em>phenakisticos</em> meaning to deceive.
Causes<span> of the </span>French Revolution<span>. The </span>causes<span> of the </span>French Revolution<span> can be attributed to several intertwining factors: Cultural: The Enlightenment philosophy desacralized the authority of the monarchy and the Catholic Church, and promoted a new society based on reason instead of traditions.</span>
The commodity markets are those in which raw or primary products are traded. There is a distinction between hard and soft commodities.
- Soft commodities are products from agriculture or livestock such as wheat, barley or milk.
- Hard commodities comprise products from minery or extraction activities, such as silver, oil or coal.
