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In September 1939 with the beginning of World War II German U-boat operations got under way against allied forces the allies responded to the U-boat threat with a number of counter measures
<span>The combined affect of protection of ships by convoys harassment of U-boats by airplanes and other anti-submarine warfare measures reduced the ability of the U-boats to cut Britain off from her </span>
<span>suppliers in North America In order to assess the effectiveness of the allied response it is first necessary to look at the U-boats In looking at the U-boats it is not only necessary to look at the </span>
<span>various types of U-boats and their deployment but also to look at the Germans goals and the tactics that they employed in an attempt to reach those goals </span>
<span>The Treaty of Versailles ending world war one prohibited Germany from having any U-boats When the treaty was changed under The Anglo-German Naval agreement one of the things that the </span>
<span>Germans did to rebuild their navy was to rebuild the U-boat wing Their first U-boats were for general sea-going and coastal abilities the U-boats first built for this purpose were types I and II The type I had a surface speed of 1775 knots and 825 knots submerged on electric engines for armament it had 41 inch </span>
<span>and 22 mm anti-aircraft guns and six torpedoes In comparison the type II had speeds of 13 knots surfaced and 7 knots submerged with three torpedoes and one 20 mm anti-aircraft gun The type II was </span>
<span>smaller than the type I </span>
<span>They are eighteenth and nineteenth century American educators, Hannah Adams, Noah Webster, and Jedediah Morse, designed American curricula "as a tool for nation-building and citizenship development they wrote concerning the American language, geography, history, and social themes.</span>
In the early 1970s, the post-World War II economic boom began to wane, due to increased international competition, the expense of the Vietnam War, and the decline of manufacturing jobs.
<u>Answer with explanation:</u>
The agricultural revolution was a dramatic change since it brought much control of people over their environment.
When people started to engage in their agricultural activities, they changed their living style and transitioned from small nomadic groups of hunter-gatherers to settled farmers.
Back then, this was considered a huge change so people started getting some control over the environment of the places where they were living.
Therefore, this agricultural revolution was named after the Neolithic humans as Neolithic Revolution.
