The original civilizations of the indus valley were greatly changed by the migration of the

Aryan migration

Explanation:

The Indus valley civilization originally inhabited by the Aryan civilization and has been proved by the architecture of the buildings and the artifacts that have been found at the place. And they have known to be originated in the 1800-1500 BC and had migrated to the India and settled in the Indus valley Gangetic plain and spoke the indo European languages.

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 herbicide-resistant soybeans;