Way for the british to have access to the items that america had and also make sure that they could regulate what was going in and out of america (trade wise)
He spoke about liberty, peace and democratic freedoms, which was addressed towards both Americans and people abroad. He also spoke about the desire for peace, including calling for Soviet cooperation to end the threat of war and nuclear destruction.
They were willing to give up the area because they were going to then invaded the rest of their property
1 and 4 are the best choices since The barbarian attacks killed many romans and the Huns sacked hundreds of cities in the Roman Empire and caused chaos. I also believe 4 is another reason for the decline, since the religion started about 400 years before the fall of the empire and sparked many different believes and divided the Empire through religion.