What effect did World War II have on empires that had been created by European nations?

b. many nations granted freedom to their colonies.

Explanation:

The European nations had to grant freedom to most of their colonies as the war left many of them in bad condition. They had lost a lot of money and soldiers and their countries were also mostly in ruin. They couldn't afford to keep their colonies, especially the ones who wanted independence and were fighting for it, so they simply freed them.

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.