Andrew Johnson fired Secretary of War Edwin Stanton, so Congress voted to impeach him. Hope this helps!
The westward expansion era in the United States was one of great importance, as it helped to create the shape of the United States today. One of the reasons acquiring land was important was because it would help to complete America's manifest destiny. Manifest destiny is a term that states that it was America's god- given right to control all land from the Atlantic to the Pacific Ocean. This belief that it was supposed to be America's land caused them to buy land (like the Louisiana Purchase from the French and Florida from Spain) and even fight for it (Mexican-American War- results in US getting Arizona, California, Utah, etc.).
Besides completing America's manifest destiny, acquiring this land allowed the US to gain significant natural resources. A perfect example would be in California. After gaining California from Mexico, gold was found. This lead to the California Gold Rush of 1849. Finding this valuable commodity lead to a huge increase in the population of California and it gave the American economy a boost.
Answer B: They viewed them as property rather than as people
The Middle Passage was the stage of the triangular trade in which millions of Africans were forcibly transported to the New World as part of the Atlantic slave trade. Ships departed Europe for African markets with manufactured goods, which were traded for purchased or kidnapped Africans, who were transported across the Atlantic as slaves; the slaves were then sold or traded for raw materials, which would be transported back to Europe to complete the voyage. Voyages on the Middle Passage were large financial undertakings, generally organized by companies or groups of investors rather than individuals
Slaves' treatment was horrific because the captured African men and women were considered less than human; they were "cargo", or "goods", and treated as such; they were transported for marketing.