What purpose is served by including
Smith's observations on visiting a
pin-making factory?​

It shows that businesses do best when they are in competition. It illustrates the tedious work being done by people in factories. It proves that capitalism was helping improve people's lives.

Explanation:

hope thats helps you out :)

answer: they arrived in new york.

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.