Who did president Jefferson send to find the source of the red river​

Jefferson directed Meriwether Lewis to gather as much information as he could concerning the possibility of trade with merchants there, and during the winter of 1803-04 Lewis considered conducting a personal reconnaissance of the Indian route to Spanish country that led up the Kansas River.

true

coz they had the rank system in society according to the economic power of the people

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.