8. factors contributing to the westward expansion of the u. s. include

(select all that apply.)

-the cold war

-the revolutionary war

-increased immigration

-the desire for adventure, land, and riches

-the discovery of gold

-the homestead act

Humid continental climate is found in the interior of continents between the 30 and 60 degrees latitude, but usually above the 40 degree line.   40 degrees north of the equator means less direct sunlight and therefore less warmth.   this climate is mainly found in the northern hemisphere since there are no major landmasses in the southern hemisphere.  if you live in northern indiana, you know all about humid continental because that is the climate type you have!

Answer decreased soil salinity;