They are similar in every alike ways.
The United States Constitution can be changed informally. Informal amendments mean that the Constitution does not specifically list these processes as forms of amending the Constitution, but because of change in society or judicial review changed the rule of law de facto.
Well I think 1. cause I know Christopher Columbus went on a expedition to go to Asia but found the anericas
It's a lot of problems but the big problem is losing their jobs and houses and don't have enough food and clothes