Geologists xavier le pichon, dan mckenzie, and w. jason morgan brought together
these ideas into one formal theory called plate tectonics. which ideas make up the
theory of plate tectonics? mark all that apply.

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

b.   jim crow laws were enacted in northern states.

this means that germany had to pay the allied countries. reparations are/is essentially payment for something that they have done wrong, so after ww1, germany was forced to pay reparations so they could replenish the allied countries resources' that they had lost during the war.

true

explanation: