What formed the great rift valley?

1: volcanic activity and tectonic movement
2: a massive earthquake 200 years ago
3: a mountain range west of the valley
4: a massive basin in the valley's center

 The Great Rift Valley was formed by huge subterranean forces that tore the earth's crust apart, causing chunks of the crust to sink into the earth.

Therefore, #1. Volcanic activity and tectonic movement. 

Answerlife is suffering;

Examples are the following: 1. 1996: rash of church thefts include one to finance trips to cape cod.-on this day in 1996, a lutheran treasurer in cheshire, connecticut was accused of  stealing from his church to finance a lifestyle that included resort trips and vacation homes on cape cod and in vermont.2. the story in the new york  times began: -lutheran treasurer in connecticut accused of stealing from churcha former treasurer of the lutheran churches governing body in new england was arrested yesterday on charges that he embezzled $800,000 from the church to finance a life style that included resort trips and vacation homes on cape cod and in vermont.