Which two of the following best support the idea that Harappan civilizations were highly advanced for the time period?

The success of the civil rights movement of the 1950s largely bypassed ?

1)which is the following was characteristic of the british colonies but not the french or spanish religion a. presence of slavery b. religion conversion c. smuggling and piracy d. strict racial hierarchy 2)how did the columbia exchange affect europe? a diseases from the new world decimated the population of the european continent b new crops introduced to europe generated further interest in the new world c enslavement of american indians in europe changed cultural attitudes toward slavery d the items produced by american indians become objects of competition in europe

What significance does alfred t. mahan have on expansion and imperial policies of the late 1800s?