Explain what would likely happen to global climate if there was a dramatic decrease in greenhouse gases trapped in the atmosphere.

If there was a dramatic decrease in greenhouse gases in the atmosphere, it would get colder. The global climate would cool down or have sudden decrease in temperatures because greenhouse gases are what traps heat on Earth. On the contrary, if greenhouse gases were to increase, then the global climate would heat up.

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years

I  cant see the question.