What does revenue mean

Profit

Explanation:

profit that you get from working, usually a constant profit

Revenue is the total amount of income generated by the sale of goods or services related to the company's primary operations. Revenue, also known as gross sales, is often referred to as the "top line" because it sits at the top of the income statement. Income, or net income, is a company's total earnings or profit

Explanation: Got this off search :D

answer; taking up arms to defend the nation;

b) the confederacy had to pay all union war expenses.