Convergent plate movement also creates earthquakes and often forms chains of volcanoes. The highest mountain range above sea level, the Himalayas, was formed 55 million years ago when the Eurasian and Indo-Australian continental plates converged.
It depends on which time period. But, probably A.
1. Making treaties
2. Commanding the military
3. appointing ambassadors and judges
The Townshend crisis, Homespun virtue, the Boston Massacre, the Tea Act, and the Intolerable Acts all played a role.