It's C
The north had the money, the people, and the industrial power to branch out the railroad networks. So following markets and money. The north built networks to the west.
The south in contrast was did not have the capacity to construct as much railroads as the north did so therefore there was less western expansion. As well the south had more interests building canals and shipping product of the states to England.
D. Next
The words first, during, next<span> and </span>finally<span> tell in what order the events happened.
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If you visit the Senate chamber during a session on an average day, you're most likely to find the session presided over by "A. the majority leader" since the Vice President only comes in on special occasions.
The crusades had a huge financial impact on the fudal system as lords and Barrons sold assets and much of their property to Finance crusading, Manny of these men died and left their families in debt, those that were too old for war lost sons an heirs also leaving behind bebt, this led to what we would now call a great recession.