The great depression affected nations around the world by

Decreasing international trade, increasing tax, and increasing unemployment rates

Explanation:

c. troops marched forward in close formation against newer, more accurate weapons

the romans were initially interested in expansion via sicily (which at that time was a cultural melting pot), part of which lay under carthaginian control. at the start of the first punic war (264-241 bc), carthage was the dominant power of the western mediterranean, with an extensive maritime empire