A strategy by President Richard Nixon for ending U.S involvement in the Vietnam war.This involved a gradual withdrawal of south Vietnamese forces .This went along with the Nixon Doctrine
The steam engine made it so that products could be transported much faster over longer distances. This meant that certain things could be produced much faster.
Answer:
The debate of slavery divided the country because of this lead to the civil war. The south was built on the principles of slavery, needing them to work and serve on plantations. The north was built on opportunities and chances relying on urbanisation. When Abraham Lincoln became president he set off to free the slaves " Being free is a human right" this angered many southerners who believed that slaves were less then humans. The south seceded the north because of this which sparked the civil war.
During the McCarthy era, Juilus and Ethel Rosenberg were executed for allegedly giving atomic secrets to the Soviet union.