Why did the church seek to silence galileo?
a. galileo's observations changed the way we measure space and threatened church territorial holdings.
b. galileo's observations could prove copernicus's theories about the order of the universe.
c. galileo's observations threatened the control the church had over moral authority.
d. galileo's observations threatened the church's role in proselytizing in the new world.

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.