I'm pretty sure three of the causes were C, taxes, B, distance, and D, land. The colonists didn't like "taxation without representation" and also didn't like that a tiny island across the ocean was regulating their tea prices, among other things. I'm not entirely sure about D, but it is the one that makes the most sense.
Explanation:
1 The greatest Saharan empire cities were Timbuktu and Djenné, both of which lie on the Niger. While these empires were the most prominent Islamic states in Sub-Saharan Africa, smaller Islamic kingdoms formed to the east, such that nearly the entire northern half of the continent fell under Islamic rule.
Answer:
Australia. Australia is a continent, not a nationality. Australian IS a nationality, though.
Answer: C end jim crow laws
Answer:
Euclid, Archimedes, Apollonius
Explanation: