<h2>Answer:</h2>
Nationalism began to grow and spread.
<h2>Explanation:</h2>
The conference was led by Prince Klemens von Metternich of Austria. Its purpose was to reestablish peace and stability in Europe. It also focused on the containment of the Russian empire because Poland was divided up between Austria, Prussia, and Russia. So in this way nationalism began to grow and spread throughout Austria and Europe.
To supply the Vietcong during the Vietnam War.
<em><u>In the 3rd Century BC, Archimedes: invented</u></em><em><u> </u></em><em><u>the sciences of mechanics and hydrostatics.discovered the laws of levers and pulleys, which allow us to move heavy objects using small forces. invented one of the most fundamental concepts of physics – the center of gravity.</u></em>
Railroads not only led to an increase in the ability to transport raw materials, but they also led to an "<span>B. increase in the demand for raw materials," since it provided for far more opportunities to use such materials all over the country. </span>