They did not typically fight in traditional means and employed guerrilla warfare against the British. Ambushing the British and catching them off-guard was the colonist's best tactic.
It caused many people to die younger and more frequently since they didn't have immunity/vaccinations
While the Stamp Act was a direct tax the American had to pay, the Townshend Act was an indirect tax that was paid at the American port. The act was in response to Americans not complying with the Quartering Act.