I would stay that the system of checks and balances for the judicial branch is to declare laws unconstitutional.
One way in which European leaders reacted to Christopher Columbus's journey to the Caribbean was that "<span>C. They quickly began sending their own explorers and colonists to the Americas," since it became clear that the "New World" would be highly economically advantageous. </span>
B - Spain in the US signed the Adams Onis Treaty to allow Florida to become a US territory.
The Adams-Onis treaty signed in 1819 (also known as the Floriday Treaty) ceded Florida to the US.
Answer: C.The hearings were televised for Americans to watch.
Explanation: Indeed, before these hearings no American network had broadcasted the entirety of senate hearings form gavel-to-gavel; a gavel is the wooden hammer used to signal the beginning or the end of a judicial or political proceeding. This means that the hearings were broadcasted from the very beginning to the very end. PBS (Public Broadcasting Service) was the television network that broadcasted the hearings.