Revenue bills can be proposed only by

Revenue bills can be proposed only by the House of Representatives.

Explanation:

A bill may originate in any of the two chambers of Congress, except revenue bills, which according to the Origination Clause of the Article I, Section 7 of the Constitution of the United States may originate only in the House of Representatives: "All Bills for raising Revenue shall originate in the House of Representatives".

ok, so basically your gonna start with 350 ok. so there's 60 seconds in a minute so that means you he can go up 10 ft per minute. soo, after 3 minutes he should be at 260 ft after three minutes : )

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