Give a full description of what happened between North Korea and America

On August 8, 2017, President Trump suggested that the United States was prepared to inflict "fire and fury" against North Korea if they failed to cease nuclear testing and threats. In response, North Korea issued a series of threats against the U.S. territory of Guam as well as allies such as Japan and South Korea.

Explanation:

would not cooperate with each other voluntarily.

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.