What problem of the Aztec’s physical geography did the chinampas solve?

The Aztecs used chinampas for their crops. Chinampa is a method of farming that used small, rectangular areas to grow crops on the shallow lake beds in the Mexican valley.  They were essentially artificial islands created for the crops. They used chinampas because the Aztec civilization developed in the Valley of Mexico and it was surrounded by lakes and the land of unsuitable for agriculture

battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation:

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

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