Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment are called <em>reserved powers</em>. :)
During the 1950s, an increase in the number of marriages and births fueled a demand for housing.
People who was born in the 1950s were known as the baby boomers. The increasing number of marrieages and births in population of post-World War II led to an increase in the demand for housing and gave rise to higher density cities.
By the 1970s, the United States economy had grown by leaps and bounds and was by far the largest economy in the world.
The Aztec forced the people of conquered lands into slavery.
D) created a weak federal government with no powers to impose taxes or regulate trade
No it's civil war. What is the question anyway?