Why did industrialization change the economy of many countries? check all that apply.
individuals began to start more private businesses.
entrepreneurs took on a less dominant role.
new banking systems financed the growth of business.
factories began to employ specialized workers.
governments stopped supporting joint-stock companies.

My answers are:

Individuals began to start more private businesses;
New banking systems financed the growth of business;
Factories began to employ specialized workers.

It gave opportunities for startups. The banks gave financial funding to businesses. Workers began to learn different skills and be hired accordingly.

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.