How did american entry into ww1 affect german strategy?

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The United States entered the war because of the Germans' decision to resume the policy of unrestricted submarine warfare, and the so-called "Zimmerman telegram," intercepted by the British, in which Germany floated the idea of an alliance with Mexico

Explanation:

The entry of the US in WWI sent the Germans back from the western front in France as the Germans plan at a swift attack failed and turned into a long out numbered trench battle.

Explanation:

The Schrieffer Plan’s strategy required that France be defeated swiftly with a right hook strategy into France and allowed the Germans to fight a 2 front battle on the western front with France and the Russian eastern front.– but this didn’t happen due to heavy armament of the US troops on the western front. That failure led to sustained trench warfare on the Western Front. In those grim battles of attrition, such as the Battle of the Somme and the Battle of Verdun, Allied forces ultimately outnumbered the Germans eventually sending them to retreat and surrender.

athenian democracy developed around the fifth century bc in the greek city-state (known as a polis) of athens, comprising the city of athens and the surrounding territory of attica, and is often described as the first known democracy in the world. other greek cities set up democracies, most following the athenian model, but none are as well documented as athens'.

it was a political system of direct democracy, in which participating citizens voted directly on legislation and executive bills. participation was not open to all residents: to vote one had to be an adult, male citizen, i.e., not a foreign resident, a submissive or a woman, and the number of these was "probably no more than 30 percent of the total adult population."[1]

the longest-lasting democratic leader was pericles. after his death, athenian democracy was twice briefly interrupted by oligarchic revolutions towards the end of the peloponnesian war. it was modified somewhat after it was restored under eucleides; the most detailed accounts of the system are of this fourth-century modification rather than the periclean system. democracy was suppressed by the macedonians in 322 bc. the athenian institutions were later revived, but how close they were to a real democracy is debatable. solon (594 bc), cleisthenes (508/7 bc), and ephialtes (462 bc) contributed to the development of athenian democracy. cleisthenes broke up the power of the nobility by organizing citizens into ten groups based on where they lived rather than on their wealth.

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