North Korea was formed after Japan relinquished its 35-year occupation of the Korean Peninsula at the end of World War II.
Within the zoning code are required minimum setbacks. A variance is a waiver of a setback requirement or height restriction in the code. It allows the owner to build closer to the property line than the code allows. For example, in an R-1 single family single and duplex zoning district, the minimum setback requirement for the rear is 10 feet on each side.
Population bottleneck followed by recovery or extinction. A population bottleneck (or genetic bottleneck) is a sharp reduction in the size of a population due to environmental events (such as earthquakes, floods, fires, disease, or droughts) or human activities (such as genocide).n consequence of such population size reductions and the loss of genetic variation, the robustness of the population is reduced and its ability to survive selecting environmental changes, like climate change or a shift in available resources, is reduced.