D I think since there are children in a factory :)
A pledge to fight communism
cost of the Journey is the correct answer.
Many settlers migrated from Europe who were called western settlers. They face many obstacles which encountered on the waterways as well as during their settlement. The cost of journey was not an obstacle for them as it was very easy and convenient for them.
Taxing, Declaring War, Building Roads, this are just a few powers of many that federal government has