Answer:
Through interaction between traders and the locals along the trade routes.
Explanation
During their trades operation, a lot of interaction happened between the traders and the local people. During those interaction, they started to learn about each other's religion, culture, scientific development in their hometown , etc.
This is where the locals learn about the religion of the traders. After the traders left, the locals will spread the knowledge about that religion to other locals and contributed to the increasing amount of followers of that religion.
We dropped napalm on people in vietnam cuz we were scared( sarcastic)
we lost many mig planes and people were lost every day in battle
Personally I would keep the right to bare arms if ever you're put in danger. The right to property because, if you're like me and you'd rather be alone than have people come in and out whenever they please, you'd want privacy. The right of freedom. No slavery. That is for obvious reason. The freedom of speech and ability to identify the way you'd like to. That would be also in the pursuit of happiness because why live if you don't have a reason.
They are reserved to the states respectively, or to the people.
