I believe the answer is B and D
The biggest issue is by technology.
Answer:
While there are many policies that he implemented, four policies defined his presidency. In an effort to flush the corruption out of Washington, he established the spoils system. He took a hard stance against Native Americans, forcing them to choose between assimilation or relocation with the Indian Removal Act.
Explanation:
The political, economic, and diplomatic crises of the 1780s played a great role in shaping the Constitution because they proved that the United States needed a much stronger central government that could tax freely and engage with other countries.