The Kingdom of Prussia (aka "Germany") and the Austrian Empire joined together to seize the territory of Schleswig-Holstein from Denmark due to the regions majority German population.
It was the "Smoot–Hawley Tariff Act" that was a disaster because when European nations responded with tariffs on American goods global trade plunged by roughly two thirds
<span> from 1929 levels.</span> This was viewed as exacerbating the Great Depression.
The first computer or ENIAC (Electronic Numerical Integrator Analyzer and Computer) which the University of Pennsilvania built to do ballistics calculations for the U.S. and other early computers proved to many universities and corporations that these machines were useful because They could solve problems in 30 seconds that otherwise would have taken 12 hours by hand.
For this reason, most of the first computers in the United States were purchased by universities and corporations in spite of the space ,manpower and the tremendous investment of money, they demanded in this early stages.
Congress played a significant role in expanding rights to marginalized Americans during the 20th century. Here are a few examples.
1) 19th amendment- This constitutional amendment gave women in the United States the right to vote.
2) Civil Rights Act 1964- This law ended segregation in public places. This included movie theaters, restaurants, parks, etc.
3) Voting Rights Act of 1965- This law got rid of poll taxes, grandfather clauses, and literacy tests. During the late 19th and early 20th century, all of these were used as a means to prevent African-American citizens from voting. Thanks to the Voting Rights Act of 1965, all of these types of obstacles to stop African-Americans from voting were now illegal.
The reason it is impractical is they traders had to go around South America... For example, say New York is sending trade ships to San Francisco. They would go all the way down to the bottom of South America and then all they way back up. By creating the panama canal, it allowed ships to cut through the land and make the route more practical.