According to one long-held theory that talks about the South Asia's caste system and how it begun, it is believed that Aryans from central Asia at some point invaded the South of Asia and implemented a caste system as a way to control the invaded populations. The invaders set key roles in society, then assigned the groups of people to those roles. In that way, individuals were born into one of those groups and all their social relations, until the day of their death, would be inside of that group or depending on what it represented. There was no social mobility in that system.
B.The Internet has improved global communications but not helped reduce unemployment.
C.Pesticides and farm machines have increased food production but not ensured equitable distribution.
D.Modern transportation methods have reduced the time and cost to move goods but have not encouraged the lowering of trade barriers.
The best description of the effect of modern technology on developing nations is presented in statement C.) - Pesticides and farm machines have increased food production but have not ensured equitable distribution.
Answer: A. land-hungry politicians from the West and South.
The people who most supported the idea of war were a group of young Congressmen from the West and South known as the "War Hawks." These congressmen were particularly land-hungry, and their desire for war was driven by their expansionists interests. They wanted to add territories such as those of Canada and Florida to the territory of the United States, as well as to continue pushing the frontier West into indigenous lands. This group was particularly influential in Madison's decision to declare war to Great Britain.