Very warm and like tropical weather I guess taking a stab in the dark lol.
Answer:
The Progressive Era was a period of widespread social activism and political reform across the ... A third theme was building an Efficiency Movement in every sector that could ... meant waste and inefficiency, and eagerly sought out the "one best system". ... In the early 20th century, American philanthropy matured
Explanation:
The answer should be C because Germany shot down a U-boat in the pacific in world war I
