What was the leading economic activity in the united states in the early 1800s?

Leading economic activity in US in the early 1800’s was agriculture. Cotton was the dominant crop in the South and alimentary products were required in the growing eastern cities and towns. The expansion of railroads from one end to the other of the country expand trade and commerce.

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”