Da Vinci has influenced inventors even to this day. He has some of the earliest known plans and prototypes for parachutes, diving suits, and a form of a battle tank. His plans have increased the amount contributions to modern inventions. Now in his time I don't know much.
The development of farming was crucial to the formation of civilization since this allowed for there to be a surplus of food, which meant that people could devote themselves to other tasks and skills that are necessary for society to form.
Answer:Socialism emerged as a response to the expanding capitalist system. It presented an alternative, aimed at improving the lot of the working class and creating a more egalitarian society. In its emphasis on public ownership of the means of production, socialism contrasted sharply with capitalism, which is based around a free market system and private ownership.
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>
