How can a bill "die"in committee?

Which of the following led to a continuation of the treatment in the excerpt above? a)the brutality of the trans-atlantic african slave trade. b)spanish repression after violent native uprisings in new spain during the 16th century. c)european competition to quickly establish colonial holdings in the new world. d)the reliance of the spanish on native americans to provide labor under the encomienda system.

Brainliestttme : describe the following event: increase in islamic extremism in the middle east

What were 3 advantages to rail road growth