After studying the graph you posted and doing some research there are several tectonic features beneath the moving Pacific Plate that caused the volcanoes to form in both the Loa and Kea trends. A few of the acceptable answers are rising magma, Hawaii Hot Spot, mantle plume, and a hot spot.
There are 389,482 people as of 2019
This region is most likely a part of the tundra biome. Tundra biomes can have the conditions that are listed such as low average temperatures year round, very little precipitation, and this region supports only small plants and a few animal species. Specifically plant life in Tundra regions are usually low to the ground with very few trees because of the flat area and the harsh winds that blow through these regions. This region is also most likely an arctic tundra due to the very low temperatures.
Many people decided to move from more rural areas that offered land and space for farming to cities that had factories and offered job opportunities
False. Capital of Michigan is Lansing
