What was a major cause of migration to the cities at the turn of the century

Cities provided better opportunities.

Explanation: There were more jobs, leading to more opportunities to live a better life.

the cities had jobs such as factories

Explanation:

jobs like these provided a finacial support system that cold support many people and even if oyu didnt have land to be in agriculture you could still make a living

c it says nothing about connecting those 2 seas.

the answer is: must pay taxes on profits

since it is considered as a part of your income, profits from investments is eligible for tax payment.

the tax from your investment could be influenced by how long you decided to sell it. united states promotes keeping your investment for long term period. so, the tax rate for investments that you sell in less than one year is typically higher compared to investments that you sell in more than one year period.