Answer:
O Airplanes
Explanation:
Airplanes provided the most significant surveillance of the enemy land forces because through aeroplane we can see all the activities carried out by enemies against us. There are certain devices and instruments which can be installed on the aeroplane in order to collect data about the surveillance of the enemy land forces when the airplanes passes over the area of the enemies.
<u><em>President Harry Truman</em></u>, by August 1945, had to take an<u> important decision about ending the war with Japan as soon as possible, knowing that they (Japanese) already lost the war at that moment.</u> <u><em>President Truman</em></u> had four options: 1. Continue conventional bombing; 2. A ground invasion of Japan; 3. Demonstration of the bomb on a deserted island; or, 4. Use of the bomb on a populated Japanese city. After careful considerations, <em><u>President Truman</u></em>, his advisors, and commanders decided to bomb Hiroshima to make a strong impression on Japanese Emperor, Army, and civilians.
If dropping the bomb was the right decision or not, it's still not easy to affirm. <u>However, the goal was to get a quick surrender from Japan and to do not extend the war uselessly.</u> In that sense, it was a painful and effective decision.
<span> Johnson believed that his greatest accomplishment as President of the United States was ensuring the passage of the Voting Rights Act of 1965. That law authorized the federal government to step in to safeguard the right of African Americans to register to vote and cast their ballots.</span>
