Highly developed societies typically need to
have
A. a hierarchy
B. plentiful waterways
C. a complex writing system

C. a complex writing system

i took the test and got 100%

hope this helps

i think the answer is a and i hope this ; ))

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.