Maize (corn) played an incredibly important role in shaping native American societies, since it was one of the few foods that could grow on the land and had a stream of nutritional benefits.
European nations had new sources of raw materials and other resources.
The correct answer is eastern
Ask this question again, you're going to need a more specific time the president has done this. however, if you are asking about WWI, the USS Lusitania, the Zimmerman Telegram, German U Boats targeting American ships, and so on.
The main purpose of the Supreme Court is to interpret the laws passed by Congress and the executive orders passed by the President. If they are not constitutional, then they have the right to shoot down the law.
Hope I helped!