The new line would support communities and military outposts on the frontier. It would give settlers safe and dependable passage west. And most importantly, it would tie new states California and Oregon to the rest of the country. it would also help deliver mail across the nation much faster
1) Russia, 2) China, 3) North Korea, etc.
Roman Empire
The Fall of the Western Roman Empire (also called Fall of the Roman Empire or Fall of Rome) was the process of decline in the Western Roman Empire in which the Empire failed to enforce its rule, and its vast territory was divided into several successor polities.
Invasions by Barbarian tribes
The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders
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It was considered the first modern war because it was the first war after the industrial revolution. More technology was invented and modern weapons were used. It was the war that transformed our country.
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