Answer:
They had a large degree of self-government because they did not want to be ruled by parliament they wanted to rule themselves and not have to do as parliament wanted.
Explanation:
Answer: Trade made the city-states wealthy. Many were successful and powerful because they specialized and were located in the middle of trade routes. Venice was the most powerful Italian city-state and it specialized in shipping allowing it to control the trade routes in the Mediterranean Sea.
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.