Answer:
•Mississippi River is the answer
Answer: The UK (United Kingdom) sent france thousands of soldiers, Royal Air Force pilots, planes, and money
Answer:
The first agricultural revolution occurred during the Neolithic period and was the evolution of humans going from being hunter-gatherers to farmers.
The "second" revolution was because of the new ways people discovered to raise the quality and quantity of farmed goods. Examples include utilizing selective breeding, the plough, and crop rotations.