Why was the Indus river valley important to early civilization in India?

Read this passage from the u.s. constitution: the congress, whenever two thirds of both houses shall deem it necessary, shall propose amendments to this shall be valid to all intents and purposes, as part of this constitution, when ratified by the legislatures of three fourths of the several states, or by conventions in three fourths thereof, as the one or the other mode of ratification may be proposed by the congress.3 based on the passage, which statement is true? a. the constitution cannot be changed, but congress and the states can call for a new constitution to be written. b. the process of changing the constitution requires broad support from both congress and the states. c. the constitution can be changed through a process that requires a simply majority vote in congress. d. changing the constitution is a difficult process that only the president can carry out

How does the principle of federalism affect the us government

Alarge increase in gas prices creates a demand for cars with good gas milage. it takes months for car companies to make these cars. how do you describe this market for cars