How to make a ballpen write again

Lighter method
Blow into an open ink cartridge
Draw dots on a piece of paper
Tap the pen on a surface with a piece of paper underneath
Write on a rubber or rubber surface like the bottom of your shoe
Similarly, instead or rubbing the ballpoint nib on a rubber

If all else fails, just throw it away and buy a new one.

China. people who live in china speak chinese, so if the princess goes to china, should probably have to speak chinese in order to communicate with the people.

The answer should be:

a. el rey de francia