Using the atomic bomb would change the world by making it a more dangerous place. Truman decide to drop the atomic bomb on Hiroshima as He wanted to end the war quicker and bring the soldiers home and save the us millions of dollars
Yes, it is true that generally speaking most Arab countries recognized the new country of Israel when it was established in 1948 and it was supported by the United Nations, although this was not the case for all Arab countries.
Jurisdiction is the extent to which you have power to make legal decisions. For example, the jurisdiction of a parent is with their own children (not with the children of someone else). This means that a parent cannot ground another parent's child.