The answer is A.
Federal Laws that are against the constitution are not valid. Judges determine which laws are unconstitutional in the process of Judicial Review.
Prior to the 20th century, the largest intercontinental migration of people in history was Atlantic slave trade. It <span>was the biggest deportation in history and a determining factor in the world economy of the 18th century. Millions of Africans were torn from their homes, deported to the American continent and sold as </span>slaves<span>. </span>
D) to spread democracy throughout the United States
The lord would provide to the vassal land from which they could make money from and in return the vassal would contribute troops to the lords army. Sometimes vassals would also pay a small fee of grain or various other goods as a sort of tax for the land.
