Based on documentation,
The only 2 African countries that were able to keep their freedom from European imperialism were;
B: Ethiopia and Liberia.
Ethiopia is currently the worlds oldest independent country and Liberia was founded to support the U.S. in relation to slavery in 1821.
I hope this has aided you and is sufficient.
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The had to pay taxes now and they had to obey laws hope this helped
Alfred Thayer Mahan recommended that the American military should focus on sea-power as the key to its success in any contemporary or future conflicts.
Answer:
It means like how are social changes crated. This means like changes in how we create relationships and continue them. We dont realize, but we are changing everyday. So in this question its asking how are those changes created and how to they last?