Why do cities and even empires develop around rivers and other bodies of water? Is it Farming, Trade, or both farming and trade?

Farming and trade.

Explanation:

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martin luther king (1929-1968) was an activist for the african american rights, mr. king has a profile of a kind leader that built a tenacity, respect and full of hope future. he was an activist through civil disobedience and no violence pressure mechanisms. he tried to build a more egalitarian and fair society. his efforts carried a reivindication message of the civilian rights to every west corners. for that reason, he won the nobel prize in 1964.

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts