I do not have your choices of "the following" Here are some reasons I learned: Christianity, empire was too big and became hard to manage, there were many nonromans attacking parts of empire- Goths, the emperors themselves were weak or insane intrigue was rampant.
I believe that is correct
I think your talking about in 1944 attacking Germany and landing in France, so we had Omaha beach and the take back of Leningrad also the battle for Berlin..Umm let me link a picture..
Yes, that's in fact true.
They did not have any electors to represent them
In the Congress, there is no representative from Washington D.C despite the fact that it has more than the required number of residents living in Washington D.C. This is also because Washington D.C used to be a District of Columbia. Aside from that, the Washington D.C used to be the home of many African-Americans in the United States. In the 1801, the people were given the rights under the representation of Maryland or Virginia but were stopped because of the Organic Acts. It had been a struggle for the Americans living in the United States.