The answer for your question is Radon
Answer:
Mansa Musa inherited a kingdom that was already wealthy, but his work in expanding trade made Mali the wealthiest kingdom in Africa. His riches came from mining significant salt and gold deposits in the Mali kingdom. ... After his return from Mecca, Mansa Musa began to revitalize cities in his kingdom.
I’m pretty sure it’s true if you really think about it. (Please let me know if I’m wrong)
Answer:
Europe has access to water
Explanation:
Europe uses water more efficiently than other countries
The symbol for Jehova's witnesses was a purple triangle.
This symbol was actually also used for other religious minorities, such as Adventists and Baptists, and all other smaller Christian groups.
The background for this specific prosecution was that the Jehova's witnesses refused to salute Hitler.