At the beginnin of the history of the world, written techniques were not created yet, therefore only oral passing from one generation to another was the only way to transmit the history. Along the time some of them were written.
Answer:
The technological changes included the following: (1) the use of new basic materials, chiefly iron and steel, (2) the use of new energy sources, including both fuels and motive power, such as coal, the steam engine, electricity, petroleum, and the internal-combustion engine, (3) the invention of new machines
When I think of the word liberation I think of freedom. Liberty is a basic right every American should have.
The main reason why America joined WWI was the German's use of submarines in the North Atlantic and the Mediterranean.
<h3>What were British strategies in WWI?</h3>
The main strategy of the British during World War I was the use of blockade of Germany so that they would be cut off from supplies.
Hence, we can see that the British and German navies were locked in battle and this made it difficult for America to remain neutral in the war the United States decided to join the war after the blockade which led to economic difficulty for America also the presence of German U-boats.
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