Why should a traveler need to visit a currency exchange.

Because they need currency to buy stuff and with the wrong currency they can't by nothing. For example if there was a person from the united states and he ws visiting japan and he wanted to buy some food, he asked the cashier for a sprite and he gave him the money. The cahsier only accepts japan's currency which is yen.

Explanation:

the best and most correct answer among the choices provided by the question is the second choice "less supportive to the war of 1812"

the war of 1812 was a military conflict that lasted from june 1812 to february 1815, fought between the united states of america and the united kingdom, its north american colonies, and its native american allies.

i hope my answer has come to your . god bless and have a nice day ahead!