Answer: The answer is "New farming techniques leading to more food."
Explanation: It is the only one that is related to agriculture.
Japanese Americans Pose a serious threat to US security. Have a great day :)
River transport is very important because it had rear accedents cases as compered to road transport systerm, which counts almost 5 death per day. in addition to that, it was very cheap though it is slow
Answer:
Option A
Explanation:
During the colonial era where Europeans started settling and colonizing all over the country brought many germs with them that they were immune too. Because of that fact "New world diseases" or option A such as: chicken pox, the flu, and malaria sweeping through the country at a alarming rate killing at least 90% of Native Americans in the country.
Hope this helps.
