To have checks like medical check and criminal check to make sure the person is safe to come to the US. Like they won’t allow criminal immigrants or they don’t want to spread disease.
Answer: I think the answer will be the second picture.
Hopefully someone in the comments will explain if this is correct or not because I can’t explain my reasoning right now. It just seemed like you needed help so I quickly answered.
Answer:
Northern and Southern democrats
Answer:
It affected the Americans positively long terms, but negatively in the early times of the exchange.
Explanation:
The Columbian Exchange greatly affected America, bringing destructive diseases that depopulated the Americans but did distribute a wide variety of new crops and livestock throughout the American farm industry. In the long term, this rather increased the human population but still very profoundly affected the Americans.
