I believe it's D. They spread industrial technologies and products across wide areas.
Answer:
Southerners opposed Clay's American Systems because the south already had rivers to transport goods and they did not want to pay for roads and canals that brought them no benefit. Since Southerners had to pay tariff, they wanted to make sure that when the tariff was used, they profit from it as well.
Answer:
France
Explanation:
Several chemicals were weaponized in WWI and France actually was the first to use gas they deployed tear gas in August 1914.
