Identify one early and one subsequent motive that drove columbus to oppress indigenous peoples.

One early and one subsequent motive that drove Columbus to oppress indigenous peoples, according to Zinn it was out of fear of the other. Columbus initially feared those who were there, believing that they stood in the way of his conquest and eventual glory. The other thing is that subsequent coveting of wealth helped Columbus to oppress indigenous peoples.

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.