Following the 9/11 attacks in the US, Washington put North Korea on the axis of evil list and has since contended that North Korea's possession of nuclear weapons poses a serious threat to the world. Several times, the US administration proposed bringing North Korea before the UN Security Council to impose economic sanctions. However China, North Korea's main ally and trading partner, indicated that it would likely veto any sanctions on Pyongyang.
The type of insulation you need depends on where it will be installed, what R-values are required and your budget. Where you live also affects which insulation you choose. For example, a home in Arizona will have different minimum R-value requirements than one in Minnesota.
Insulation Needed: 1000sf. Next measure the distance between the framing studs, usually it will be 15 but it may be 23 in some areas. This is important as wall insulation is sold in these widths and it will save you a lot of time cutting the fiberglass batts to fit the wall cavities.