Answer:
B) conversion to Islam
Explanation:
A) Indian Ocean trade
B) conversion to Islam
C) trans-saharan trade
D) conversion to christianity
The group of people which built Great Zimbabwe, a wealthy and powerful trading town were the b) Shona. Great Zimbabwe was used as the seat of the monarch and where the government would have been and was built during the country's Late Iron Age. The walls enclosing the city were very high, but eventually the city was abandoned and fell into ruin. The Shona people are a group of Bantu people in Zimbabwe, who also live in Zambia, Botswana and South Africa.
The limits was that testing could only occur underground for nuclear weapons testing.
The limits agreed to by the United States, the Soviet Union, and the United Kingdom regarding nuclear weapons testing in 1963 were that testing could only take place underground and that it could not take place underwater, in the atmosphere, or in outer space.
This was due to the fact that the explosions could be contained and no radiation was released into the atmosphere due to nuclear weapons. It was forbidden to do it outside, in water, or in outer space. They were only allowed to test underground to ensure that the tests were safe for the rest of the world. Examining earthquakes now can reveal whether tests are being conducted without the public's knowledge.
Learn more about nuclear weapons here-
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