You would measure the length of a jump rope in feet
"<span>(2) United States entry into World War I" was a result of the other three, since all of the other three were issues that caused great alarm for the world, especially the US. </span>
National Congress is the answer
Some of the peoples it conquered didn't want to be ruled by the Incas and were rebellious, mainly, and it was so big that it couldn't keep the conquered in line very well.