I think it is B. because the open-door policy in China allowed economic growth at the fastest sustained rate between 1980 and the early 2000s than any other country. The Open-door policy refers to the foreign affairs toward the United States' policy that has been established.
The most obvious indicator that there would eventually be a rift was the circumstances by which colonists left the UK.
Many didn't feel like they belonged in the UK and left to start a new life. It would be only natural that the rift would widen as a result of that lack of belonging.
The correct answer is D)The fighting ended in the Pacific.
The phrase "VJ Day" stood for "Victory in Japan Day." This day represented America's victory in the Pacific theater of World War II. Since Japan is the only answer choice above that is actually located in the Pacific Ocean, this can be the only correct answer.
The swiss reformer that was killed in battle was Ulrich Zwingli