How did the Europeans change Oceania? What issues do the people of Oceania still face?

What event was one of the greatest factors that led to massive emigration from ireland to the united states in the mid—1800s

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment. b. the allocation of resources between private markets and the public sector. c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t. d. differences in productivity. e. ones that think at the margin and respond to incentives and those that don’t.

'nepal have varied vegetation as climate and landforms'. justify the statement