Answer: D
Explanation: The Indian Removal Act displaced many Indigenous people happend in 1830. so A is incorrect. Settlers established Massachusetts Bay Colony Happen in 1630. So B is incorrect. Ousamequin first visited Plymouth happend in 1620 so thats not it and A European captain kidnapped Tisquantum happend in 1614 making it the earliest event.
The civil war affects us today because back in that time, their were slaves and slaves were treated unfairly. The civil war was to keep a country united and stop the south from breaking away from the united states. The effects of the war are that there are no more slaves and we must treat all people fairly no matter what the race they are. This also keep a country united.