Read the quotation. Every man and every woman in this Nation—regardless of party—who have the right to register and to vote, and the opportunity to register and to vote, have also the sacred obligation to register and to vote. For the free and secret ballot is the real keystone of our American Constitutional system. –President Franklin D. Roosevelt, 1944 According to President Roosevelt, voting is considered to be..

a responsibility that is central to our system of government.
a responsibility of elected government officials.
a duty that is required by law.
a duty of only a few select citizens.

a. a responsibility that is central to our system of government

Explanation:

- B. alliances

One of the main reasons for WWI was the entangling alliances. Countries would make secret alliances with many other countries. This type of partnership created a tense balance of power which eventually caused a domino effect that resulted in the massive WWI.

- C. moral diplomacy

Moral Diplomacy was a form of diplomacy that was defended by President Woodrow Wilson during his 1912 election. He defended that the US would only support countries that defended the same beliefs as the US did, as a way to increase the number of democratic countries in the world.

June 1914 Archduke Franz Ferdinad of Austria-Hungary is assassinated

May 7th, 1915 Germany attacks and sinks that British ship RMS Lustania

1916 President Wilson institutes a preparedness plan for the US

1917 British intelligence intercepts the Zimmermann telegram