Why were the British opposed to annexation of Texas by the United States?

Slavery maybe

Explanation:

Slavery could be an option since America and Britain were trying to be against slavery at the time.

consider an orange peel: if you want to try and lay it flat, you have to stretch it, we know exactly how things are being stretched or squashed at any given point. we have many different map projections because each has different patterns of some projections can even preserve certain features of the earth without