The government had agreed to stop funding Shinto, which those they made the treaty with hoped this would take power away from the Emperor. So Shinto became more of a culture thing instead of a religious thing.
There are 27 grievances in total if I remember correctly. Some of them include: the unfair taxes on goods, the British Parliament passed laws that were deemed unfair, the colonists had no say in the Parliament, the colonists were not allowed to sell any goods to any other country other than Britain.
The Olive Branch petition, was an attempt to give colonists some rights while staying loyal to the British crown.
In England which was king James the first.
Americans wanted to maintain a white, protestant nation