The conflict between israel and egypt over the sinai peninsula is an example of boundary change through
a. annexation
b. purchase
c. threat
d. territoriality

The conflict between Israel and Egypt over the Sinai Peninsula is an example of boundary exchange through territoriality. The Sinai peninsula has been part of Egypt from the First Dynasty of ancient Egypt. Israel invaded and occupied Sinai during the Suez Crisis of 1956, and during the Six-Day war of 1967.

The answer is: :C. It gives the courts the power to invalidate any federal or state law that they believe violates the Constitution.

By having the courts this ability, the judicial branch of the government would had the power to prevent the president of united states and the congress from establishing law that are violating the rights of citizen in united states. It is a form of a balance of power that prevent a certain people in the government from becoming too powerful.