There have been at least 10 unique gods identified that the Olmec worshiped:
First Mother and First Father
Hunahpu and Xbalanque
The Maize God
Itzam-Yeh: the Celestial Bird
Itzamná: Lord of the Heavens
K'awil: the god of sustenance
The Jaguar Sun God
Ix Chel: Lady Rainbow
Chac: the Rain God and Cosmic Monster
The Lords of Death
The Witz monster
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.
Actually, the Olmecs had priests. But they believed in many gods. One of the most important. Also, they believed that the rain god appeared as a jaguar.
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.