Why were sam adams and john hancock frustrated with government policies in the mid-1760s?

Both Sam Adams and John Hancock had anti-British sentiments. In the 1760s the British imposed regulatory measures in America so they could have greater authority over the region. John Hancock was influential and quite wealthy so he thought it was time to aid the American cause for independence from the British as he felt their influence in America was harming it. 

Abecause they about to fight. and it can’t be d because they always wanted independence. can’t be b because can’t negotiate. so it’s a