Answer:
Agricultural interest groups represent the economic interests of farmers. These interests include business and agricultural extension concerns, as well as matters of local, national, and even international policy. These include crop prices, land-use zoning, government subsidies, and international trade agreements.
One of the ways in which the Apollo 11 flight plan could be seen as a historical document is if it is used as some kind of primary source. Technically, any document written in the past is a historical document.
Most immigrants to the United States in the antebellum era came from Germany and Ireland.
There were various reasons why they emigrated into the States, but the most important one was civil unrest in their native countries. Also, they couldn't find jobs home, and they heard that America is a land of freedom and opportunity, so obviously they wanted to be successful too.