Answer: A, Imports
Explanation: I Took The Test
<span>the answer is farms with distant markets for selling their harvest.
Because of this, it is impossible to distribute agricultural product to a far away area because the product will get rotten in the middle of the distribution.
The development of railroads answered this very problem which allow the agricultural sector to flourish.</span>
The policy of containment made the other non-communist countries side with the US. As this policy would keep them safe from communism.
It's located in San Francisco Bay