What created the Vancouver Island?

Volcanic Activity

Explanation:

Vancouver Island was formed around 150 million years ago, when volcanic activity pushed sedimentary rock upwards from the sea floor to form the island landscape. Around 12,000 years BC the retreating of glaciers allowed the Strait of Juan de Fuca to be formed as the Pacific Ocean flooded inland.

the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.