One of the main reasons why foreign investment in Persia increased in the early 1900s was because the world became more dependent on oil and other fossil fuels--due to Industrialization--many of which existed in this Middle Eastern region.
3 and 4 are definitely correct answers (untrained and little supplies). They had a purpose though so that is incorrect and the organization of the continental army was quite random at first (local militias) as america tried to stall the British forces until a national organized army rose up.
I believe the answer would be c
The best answer in regards to the specific question appears to be A: Many small towns boomed as people came to drill wells.
The holy lands are located in Jerusalem and it's important because so many events happen there such as the birth of Jesus and it was the place Jesus, the Messiah came to save all the people