Trinity Test in 1945 <span>was the </span>code name<span> of the first detonation of a </span>nuclear weapon. The test was a part of the Manhattan project that is led by the United States. The result of the Trinity Test led to the people involved conclude that it is a very dangerous weapon.
Earth's atmosphere is 78% nitrogen, 21% oxygen, the rest 1 percent with very small percentages of other elements like Co2.
The three great schisms in Christianity is bishops , communication , wars.
Answer:
Most likely due to the fact that many nobles controlled or had armies and serfs. Also disease such as the black death can weaken a government
