Why was controlling the Khyber Pass important to trade?

This illustration shows a building in alexandria during the hellenistic age. the building in this illustration was the first research library. a school led by aristotle. the palace of alexander iii. a famous lighthouse.

Germany italy and japan formed the tripartite pact in part because they: a. add chicken wings to the united states to stay out of world war ii b. share the ruling philosophies based on communist economics c. resented the agreements they were forced to sign at the munich conference d. selena territories were threatened by aggressive foreign states

How does the power of the supreme court act as a check on the other branches of government