Answer: A.)
Explanation: The Columbian exchange, also known as the Columbian interchange, named for Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, and ideas between the Americas, West Africa , and the Old World in the 15th and 16th centuries.
Labor. People have always been an important resource in producing goods and services, but many people are now being replaced by technology.
The permanent European settlement did not occur until the establishment of Jamestown in 1607, by English settlers. When tobacco emerged as a profitable export, Virginia imported African workers to cultivate it and toughened the legal limits of slavery. (I hope you understand )
C)Veto a law.
With checks and balances, the executive branch of government can veto legislation.
