I would say (b).
I would say this because both canals aloud for a shorter shipping route between major oceans. A perfect example of this would be the atantic and pacific instead of going around south america they could cut through the middle
To gain raw materials and to expand and get more land .
"New factories in the U.S. offer higher
<span> wages for unskilled workers" is the best answer. Although these wages are still relatively low, they're higher than many immigrants would see back home. </span>
