The correct answer is D, because "their" signifie that they are having "their" conversation, and that they own the conversation. C is incorrect because "there" describes where, B is incorrect because "they" describe who, and A is incorrect because "they are" doesn't grammatically or sensibly fit in, so the answer is D.
Answer:
a line of rulers tahts passed down through the generations of a family
The had a little interaction with the settlers I’m pretty sure
The settlers participated in systematic agriculture each season to grow different crops for their communities.
Systematic agriculture is not a set term with a definition, but is more of an umbrella term to describe agriculture and farming carried out in a specifically careful, purposeful and orderly manner.
Because of the “separate but equal” rule, segregation was legalized in the United States. This allowed separated schools, restaurants, water fountains, bathrooms, buses, etc. to continue discriminating against nonwhite people. The places designed for people of color were often of far worse quality and definitely *not* equal, but as long as white people claimed that it was, segregation was allowed to continue without any courts interfering.
