Great Britain's Parliament imposed many new laws and taxes that affected life of colonists a lot. Instead of repaying colonists for participation in French and Indian War, government punished them by bringing these laws that enraged them. Some of those laws were Townshend Acts, which were regarded as harshest.
Explanation:
After Britain defeated France in 1763 they dominated the North American continent. Colonists, believed that government will finally thank them for all good things they have done.
Still, instead of them they made things even worse. Colonists asked for representation in the Parliament, repealing of some of this acts, but nothing of this happened.
The admission of California into the United States was a divisive national issue because California's entry would upset the nation's numerical balance of free and slave states.
