Answer:
The most reasonable answer is 1
The answer to go in the blank would be ''river'' because the river was very vast and it was useful for many functions, so the English wanted to claim it.
Answer: C. the downing of an American U-2 spy plane over the Soviet Union.
The downing of the American spy plane in Soviet Union named U-2 contributed mostly to the cancellation of a scheduled summit between the Soviet Union's leader Nikita Khrushchev and that of President Dwight D. Eisenhower.
I think the answer is A sorry if it isnt
