Why did civilization develop along river systems?

On a supply and demand graph, equilibrium is the point where the two curves meet. the supply curve begins. the supply curve ends. the demand curve ends.

What are the major political parties? how do they affect elections? will give brainliest

Applying main ideas head 1-veto, make appointments head 2-override, ratify treaties, impeach head 3- declare laws unconstitutional look at the chart and answer the following question. which of these heading could best replace head 2 in the chart? a. presidential checks c. judicial checks b. congressional checks d. amendment process select the best answer from the choices provided