One major difference was the fact that more countries got in on the expansion. Germany and Belgium are a great example of that. The two countries were not really a part of the early expansions whereas they were from 1750 to 1914.
Panama had to gain its independence from Colombia with US support
Unrestricted submarine warfare
Germany used this and the Zimmermann Telegram to eventually draw the United States into the war. The Zimmermann Telegram was a secret diplomatic communication that said Germany and Mexico were in an alliance. Unrestricted submarine warfare is where submarines would sink vessels without warning, instead of following the cruiser rules.
It is D because political parties happened on its own. Washington knew bad things were to come if it were to happen and well it did it divided us as a nation.
Answer:
that's means how many countries are in United States you have to write name about it
