During the late 19th century, productivity rose for all of the following reasons except:
a. electricity allowed individuals to work after the sun went down
b. increased technology encouraged the creation of labor laws for more safety and higher wages, which encouraged employees to work harder and produce a larger number of goods
c. electricity made more efficient machinery possible
d. increased technology made products less expensive because one employee could produce a larger number of goods

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.

c. the king has significantly abused the colonists' rights many times over a long period of time.