It would be an "embargo" that occurs when one nation refuses all trade with another, although usually these embargo's only apply to a single group of goods, not all goods at the same time.
Answer:
Herbert Hoover (1874-1964), America's 31st president, took office in 1929, the year the U.S. economy plummeted into the Great Depression. Although his predecessors' policies undoubtedly contributed to the crisis, which lasted over a decade, Hoover bore much of the blame in the minds of the American people.
Explanation
That they were done on slavery and that they believed in equal rights for all
Answer:
Correct answer is c. Columbian exchange
Explanation:
C is the correct answer as the term was named after Christopher Columbus who discovered new continent, thus establishing links between the New and Old World.
A is not correct as this is a term connected with slave trade.
B is not correct as it has nothing to do with this topic whatsoever.
D is not correct as this term is being used for the trade between three different regions.
<span>Some people have questioned whether the grants in aid program
gives the national government too much say in matters of State and local
concern. The American federal system recognizes strictly limited federal
involvement in matters of state and local concern arousing concern.</span>
