Around 3000 BCE, There Was Occasional Tension Between Asia's Settled

Multiple Choice

Around 3000 BCE, there was occasional tension between Asia's settled farmers and nomadic herders because

A) the herders' animals would eat the farmers' crops if they were near enough
B) the farmers refused to pay the high prices the herders wanted for their dairy products
C) the herders saw no need to buy the farmers' grains, as they could forage for all they needed
D) the herders would raid the farmers' villages