Answer:
The germ theory of disease.
Explanation:
Ignaz Philipp Semmelweis is widely credited with the invention of the use of antiseptics in the reduction of puerperal fever in clinics.
However, the piece of scientific knowledge that he was missing to explain his discovery was the germ theory of disease.
The 19th amendment gave women the right to vote in US elections. This law was passed in 1920.
Flappers were women during the 1920's who abandon tradition. Before this time, women were expected to wear long dresses similar to the ones worn in the Victorian era in Europe. Instead, flappers were dresses that were shorter (usually showed their ankles or knees). Along with this, flappers loved to listen to music, got short hair cuts (also called a bob cut), and partied in speakeasies.
During the 1920's, jazz exploded onto the scene thanks to the Harlem Renaissance. Thanks to musicians like Louis Armstrong and Duke Ellington, jazz music became one of the most popular types of music in the United States. This jazz music was played in several different venues. This include speakeasies and clubs devoted to jazz like the famous "Cotton Club."
the nineteenth amendement:
<em> "The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of sex."</em>
The answer is B. It gave women the right to vote.
Some of the most important changes in the social structure were experienced as a consequence of the first world war.
<h3>What happened during the first world war?</h3>
The first world war was relevant during the early years of the twentieth century. Majority of the social consequences of this war lasted in the society for a long term.
Positive social change was the increase in the relevancy of women in the society, who had gained power in the internals, as the male population was serving the military in some way or the other.
However, families were also destroyed during this phase due to attacks by enemies of different nations. The population decreased rapidly; and there were lack of essential resources in the society.
Hence, the social consequences of the first world war are as aforementioned.
Learn more about first world war here:
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Answer:
the Hundred Years' War
Battle of Agincourt, (October 25, 1415), decisive battle in the Hundred Years' War (1337–1453) that resulted in the victory of the English over the French. The English army, led by King Henry V, famously achieved victory in spite of the numerical superiority of its opponent.
Explanation:
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