What internal crisis challenged the people of 18th century british north america ?

The 18th century saw a change in British North America after the independence of America.  

Explanation:      

In the 18th century, British in North America, acquired territories through conquest, settlements, and exploited for its supplies of fish and furs. The American Revolution had questioned ambitious British policies in British North America. British purposes for North America were limited to making enough raw material by avoiding the example of the thirteen colonies policies. There had been a territorial expansion in North America in extent. The internal politics of the colonies dominated the development of British North America from 1791 to 1815. It was to encourage social and economic expansion. Quebec and Nova Scotia became a refuge for  American colonists who continued to be loyal to the British Crown. They favourable to imperial and had an attachment to the King with the rejection of the American government.  

the answer is catholics