When colonists boycotted British goods under the Stamp Act, they 1.stole products that were taxed
2.refuses to participate in buying stamps
3.sold products that were taxed
4.refused to pass new tax laws

2. Refused to participate in buying stamps

Explanation:

After the British imposed the Stamp Act, the colonists were outraged at this declaration, so to show it they stopped buying stamps all together. After 4 months of widespread boycotting the British repealed the act.

c. the king has significantly abused the colonists' rights many times over a long period of time.

they were all fought in the middle east during ww1