Fill in blanks 25 points pls

just as in mesopotamia and egypt, bountiful harvests and these two developments made civilization possible: and .

. farmers in the indus valley grew and used its fibers to make .

Powers of states the first letter of the answer is r.

Hich explains why the constitution gave congress the power to create a system of federal courts? the constitution wanted congress to share power with the judicial branch. the constitution anticipated the need for courts lower than the supreme court. the constitution wanted congress to share power with the appellate courts. the constitution anticipated the need for courts equal to the supreme court.

When did martin luther king, jr. deliver his famous "i have a dream" speech? a. during the montgomery bus boycott b. during the birmingham campaign c. during his acceptance of the nobel prize d. during the march on washington