What happens when voters are out of state on Election Day? They must wait until the next election to vote.
They must register again to vote.
They must vote at a local polling place.
They must vote using an absentee ballot.

When a voter registered in a state in out of that state on Election day, they must vote using an absentee ballot.

Absentee ballot therefore allows for a person to still exercise their right to vote even if they are not available in the polling place they are to be in.

In conclusion, option D is correct.

Find out more on absentee voting at link.  

They must vote using an absentee ballot

Explanation:

Found it on a quizlet :)

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.

a, he promoted disarmament