I believe it was George W. Bush
Things that led to conversion of Jewish, Christian and similar communities:
Idea of heaven, hell and final judgment along with monotheism, and prayer rituals.
Sponsorship of a powerful state that could conquer or go to war.
Success in war led some to believe Muslim god more powerful.
Avoidance of paying for tax of "non-believers."
B was important because it allowed hands on learning
Answer:
It built roads, railways, and other types of infrastructure.
It imposed a tariff on trade to raise money.
It increased the amount of exported goods.