Money is a medium of exchange meaning

sure but medium of exchange is anything that is used to determine value during the exchange of goods and services like buying food with money or  the direct exchange of one set of goods or services for another.

Explanation:

not sure might be he acquired the entire oregon territory from great britain

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.