Answer:
The sinking of the Lusitania
-became more radical in 1770s --> fierce opposition to British crown- 1770 he had come to the conclusion that american colonists should allow for British control, given some adjustments to current order of course- chaos and even violence including the recent Boston, came as a result of five years worth of instability, Massacre of 1770 in which British forces fired into a crowd of townspeople, killing five.- violence --> solution of revolution
They were called "Border Ruffians"
Hey there!
The progressive reformers during this time in the United States were most concerned with corruption in both big business and federal and state government.
Hope this helps!
Credit to @HistoryGuy