How did roeblling, sullivan, otis, and olmstead contribute to modern society? a. by proving that immigrants could succeed in the united states b. through new business models that are still used today c. by changing the way people thought about government and politics d. through innovations that made modern cities possible

D. through innovations that made modern cities possible

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.

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.