Canada and U.S. is the wealthiest
Answer:
The primary causes were that Sparta feared the growing power and influence of the Athenian Empire. The Peloponnesian war began after the Persian Wars ended in 449 BCE. ... This disagreement led to friction and eventually outright war. Additionally, Athens and its ambitions caused increasing instability in Greece
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.
Answer:
They did not do much about it
Explanation: