<span>1.For the fall of Rome, it was the Huns invading from the east that caused the domino effect, they invaded (pushed into) the Goths, who then invaded (pushed into) the Roman Empire.
2. I'm not so sure</span>
Answer: Malaria inflicts great casualties and affects entire army's indiscriminately. Soldiers were exposed and vulnerable.
Explanation:
It is believed that Alexander the Great was killed by malaria at the height of his power
Malaria in Afghanistan, Iraq, and Liberia (2001–2003): Many US soldiers in Iraq walked while eating just to avoid being bitten and infected by mosquitoes.
Vietnam War (1962–1975): Malaria felled more combatants during the war than bullets. The disease reduced the combat strength of some units by half. Over 40,000 cases of Malaria were reported in US Army troops alone between 1965 and 70 with 78 deaths. The U.S. Army established a malaria drug research program when U.S. troops first encountered drug resistant malaria during the war
During the American civil war in 1861-1865, malaria accounted for 1,316,000 episodes of illness and 10,000 deaths. It has been estimated that 50% of the white soldiers and 80% of the black soldiers got malaria annually.
Source: https://www.malariasite.com/wars-victims/
Because the middle class grew substantially and urbanization started.
They use propaganda because they need support from the populous. If no one supports the war than the soldiers being drafted would tear up their draft cards and mutiny. If they support it however everyone not just the soldiers are doing their best to help their country which makes the government's job easier. Basically they use propaganda so they aren't fighting a war on 2 fronts.