Ships.
Sea transportation was just right at that time as it can carry loots, spoils of war , enough fire power to conquer new colonies, and also food and necessities for sojourners ,seafaring soldiers and traders. Even exploration of unknown territories was also done with the help of sea transportation.
<span>-Bureaucracy
- had to pass a test to be a part of the government
The test in order to be Government officials back than was being held nationwide in order to found the most Talented scholars from the Population. The Government saw them as an invention that will drive the nation's prosperity in the future.</span>
Even without knowing your answer choices I would say that the U.S economy had fewer jobs and lower wages. So that gave Americans fewer resources .
Please give a time frame for this question
but I will still say that the answer is:
<span>The major cause of the growth of the workforce was an increase in immigrants.</span>