Who is the president of the united states? why is he/she important?

donald trump is the republican president of the united states. he is the 45th president. he's important because he is the leader of the u.s.   he decides how the laws of the united states are to be enforced and chooses officials and advisors to run the executive branch. the constitution makes the president commander in chief of the nation's armed forces. he is a very important person.

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.

the exclusive possession or control of the supply or trade in a commodity or service.