In what future state was the "golden spike" driven into the ground in 1869 to commemorate the completion of the first transcontinental railroad in the U.S.?

In presidential elections, Washington DC receives three electoral votes due to what numbered constitutional amendment, ratified in 1961?

Including a container for a brewed beverage, what is the name of the scandal that rocked the Harding administration in the 1920s, involving bribery to obtain leases of Navy petroleum reserves without competitive bidding?

What is the name of the "Island" which had a famous nuclear accident with a radiation leak in Pennsylvania in 1979?

When JFK decided against running for his House of Representatives seat in 1952 in order to run for the U.S. Senate, fellow Massachusettsan Tip O'Neill said "All politics is ______" and subsequently won and kept the seat for over 30 years. What word fills in the blank?

There is only one U.S. state with four syllables in its name that borders zero other states with exactly four syllables. What is this state?