A steamboat is a boat propelled by <em>steam</em>. In the 19th century, steamboat was widely used on rivers, especially on the Mississipi and its tributaries. Inicially they worked only on lakes and rivers, but later the <em>steam</em> was also applied to larger vessels that crossed oceans. The building of canals was very important for the economy in the United States, by reducing the prices of transportation of products from or to distant places.
Answer B. People began to build canals in the USA and Europe.
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Although there is not universal consensus regarding where the virus originated, it spread worldwide during 1918-1919. In the United States, it was first identified in military personnel in spring 1918. It is estimated that about 500 million people or one-third of the world's population became infected with this virus.
Explanation:
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World War I's impact on women's roles in society was immense. Women were conscripted to fill empty jobs left behind by the male servicemen, and as such, they were both idealized as symbols of the home front under attack and viewed with suspicion as their temporary freedom made them "open to moral decay. Even if the jobs they held during the war were taken away from the women after demobilization, during the years between 1914 and 1918, women learned skills and independence, and, in most Allied countries, gained the vote within a few years of the war's end. The role of women in the First World War has become the focus of many devoted historians in the past few decades, especially as it relates to their social progress in the years that followed.
Monarchy, republic, it made martyrs of the Christian people, and Augustus, Constantine, Diocletian I believe
