Probably nuclear because as seen in the bombing of Hiroshima & Nagasaki, both cities were leveled with ruins of building left.
Three new reforms were introduced by progressives to force state legislators to respond to voter's concerns. allowed a group of citizens to introduce legislation and required the legislature to vote on it.
Lowell Mill Girls were female workers in America. They were employed in an innovative labor system in Lowell, Massachusetts.
Explanation:
Lowell Cobbett built Boston manufacturing company inn Massachusetts which employed young girls in the textile mills. These mills converted raw cotton into finished Fabric and it need not require much physical labor. It ensured independence to the women in those days and economic freedom was prevalent when most men were still working in farms to earn their livelihood.
These women stayed near the factories in boarding houses and began publishing their own magazines but the content of which was always overseen by the mill owners and son it ensured only positive views about the working environment. But gradually, the tensions between the workers and the mill owners increased and it led to the migration of women to United States.
After the fall of the Ching Dynasty, the Republic of China (RoC) emerged. However it was riven by internal strife. Much of the early years was spent fighting the various warlords. After the death RoCs founder Sun Yat-Sun, he was succeeded by Chiang Kai Shek aka Generalissimo. He spent much of his time building up the Chinese army and fighting other warlords and the Communists. It was effectively strongman politics. Sun Yat-Sun and Chiang Kai Shek were not elected, so in a sense, similar to Communists. Chiang was aligned with the West. Mao with the Soviets. An interesting bit of trivia is that the crack Chinese units were trained by the Germans. They gave a good account in the Battle for Shanghai, although their strength was depleted after that. This is why some Chinese officers used the Mauser C96 aka Broomhandle pistol.