Is it fair to say that California Native Americans suffered from genocide after coming into contact with early Europeans?

they were different

Explanation:

that or they fought a lot

Answer: Yes, it is fair to say that.

Explanation: European expansion into North America - whether to find gold, escape religious persecution or start a new life led to the destruction of Native American livelihoods. They were killed by diseases they brought with them, they suffered malnutrition and the Europeans search for gold led to violent ambushes on tribes, leading to several wars and a large death toll.