Answer:
I think B.the agreement to buy Lovely's Purchase from the Osage.
Congress had passed the Civil Rights Act (1964) and the Voting Rights Act (1965) Southern states could no longer deprive African Americans of their equal rights
Answer: The Agricultural Revolution of the 18th century paved the way for the Industrial Revolution in Britain.
Explanation: New farming techniques and improved livestock breeding led to amplified food production. This allowed a spike in population and increased health. The new farming techniques also led to an enclosure movement.
The two classes are the proletariat which is the working class who make up the majority of the population within society and must work to survive