Answer: B
Explanation:
A- obviously wrong
B- Correct
C- Command economy is entirely ran by a government (not free market)
D- Similar to C.
Nobody else could build that canal. The Americans are the only people who could build them. They also made the Panama canal so that they could access the necessary territory.
Europeans were originally motivated to explore the seas to discover previously unknown lands, especially after the contact with America, where europeans found all kind of valuable goods. The portuguese were the first to pursue maritime exploration, soon to be followed by the spaniards.
