Mining things such as gold and copper in the west created a large influx of immigration to the west thus boosting the economy there.
After the fall of Khmer Rouge Cambodia was invaded by Vietnamese forces, in opposition to that the Coalition Government of Democratic Kampuchea - CGDK was created from three factions - Khmer Rouge, Sihanouk, and Khmer People’s National Liberation Front. Peace was achieved by UN - United Nations Transitional Authority in Cambodia.
Later in 1993, there was a restoration of the monarchy, but it lasted a few years until co-Prime Minister Hun Sen did a coup d’état.
A few years later Cambodia found stability with a multiparty democracy under a constitutional monarchy.
Answer:
Many Americans worried that citizens of Japanese ancestry would act as spies or saboteurs for the Japanese government.
Explanation:Japanese bombing pearl harbor
B. I believe it was Puerto Rico. I just did an essay on Puerto Rico last semester.