Because the previous governor was didn't get good enough results from 7yrs war. Also becasue George III liked him personally over Bute.
Due to 7yrs war expenses
Passed in order to prevent expansion into the lands that were still controlled by the Indians the 7yrs war left behind.
Taxed sugar, and effected molasses(lowered coast per gallon from 6 to 3 cents.
To lower debt.
Pure revenue gaining reasons. To lower debt. Supposed to be used as a trump card for the person who proposed the idea in the first place. A way to lower debt in Britain by gaining 60k pounds annually.
In response against Stamp Act