B identify key facts - you would try and get alabis or any other evidence that proves guilty/not guilty
The domino theory is the answer. Hope it helps.
Well i know that there are a lot of leading lines in that movie but that's something you need to answer on your own, it's more of an opinion question.
With the Louisiana purchase, he bought it knowing it was against his principles because it was too good to decline. (it doubled the size of America)