B. A proposed law being considered by Congress
When prince Ferdinand and queen Isabella were married Spain was unified
Answer:
The free enterprise system was the basis of the United States economy, while a command economy was the basis of the Soviet system.
In the 1700's free African Americans had no legal rights. The Glorious Revolution of 1688 helped convince the American Colonies that they had the right to overthrow an unjust government.
D.) New equipment for farming larger farms, in the late 1800s factory made agriculture machines made farming easier and able to farm more