Some problems in reading

Read the following passage and decide if each statement is True (T) or False (F).

Zamenhof invented a new language called Esperanto to improve understanding between people of different countries. He showed Esperanto to his friends to find out what they thought about it. Later in the same year he went to study at a university in Moscow. He wanted to improve Esperanto. Zamenhof’s friends then worked hard to spread the new language. They tried to persuade schools throughout the world to teach it. However, only a few people today speak Esperanto because more and more people use English as a foreign language.

Statements T / F

1. Esperanto is a new language. ……………
2. Zamenhof went to Moscow to improve Esperanto. ……………
3. His friends helped him to spread Esperanto. ……………
4. More and more people use Esperanto today. ……………

Is the question "Zamenhof went to Moscow to improve Esperanto." true or false? Please help me to answer it. Thanks a lot for your help.