Some apartments of the early 1900s were known as “dumbbell tenements” because they had a. few windows and no ventilation. b. garbage collection and sewer systems. c. indoor plumbing with hot water. d. safety features and fire protection.

the answer is : A

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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:

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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