The British North America Acts were created by the Parliament of the United Kingdom. These were a series of Acts (1867–1975) dealing with the government of Canada. The acts would have been signed in London as a part of the British government.

The Townshend Acts were a series of acts passed, beginning in 1767, by the Parliament of Great Britain relating to the British colonies in North America.

Why had british north america join?

Assuming you mean the Townshend Acts, they were a series of Acts by the British Parliament (in London, England) beginning in 1767 that dealt with the colonies in North America.

The Townshend Acts started in 1767 in Great Britain by their Parliament. The Parliament had passed several acts relating to the British colonies in North America.