That's a matter of some debate. Most people think the traditional Egyptian Pantheon; that is Ra, Isis, Thoth, etc. However, Khufu's pyramids weren't like the others before or since, so all manner of people believe Khufu was in touch with (worshiped) whatever semimythical force they believe was active on earth at the time: the starseeders, the prima, the Jafaa, time travelling humans...
Yes. He worship many gods including Ra, Horus, Set, and Thoth.
they worship kachina dolls who were there gods
Norse gods
No the Romans did not force the Jews to worship their gods.
Romans worship their gods through feasting. For example, Saturnalia.....
Yes. He worship many gods including Ra, Horus, Set, and Thoth.
they worship kachina dolls who were there gods
no
They worship the gods by holding ceremonies to certain gods, and make sacrifices in their honor.
Norse gods
No the Romans did not force the Jews to worship their gods.
Yes Chinese people do worship many gods
the people of sumer practiced polytheism the worship of many gods
Jains worship at a Deraser.
They would worship their own gods
There is no real answer to this. Christians worship God and Jesus and Hindus worship a plethora of gods, one god, or no gods at all.
No, the ancient Egyptians did not have to worship their gods and goddesses, it was a part of their faith and belief that they chose to.