How did the Constitution overcome the weaknesses of the Articles of Confederation?

The Constitution fixed the weaknesses by allowing the central government certain powers/rights. Congress now has the right to levy taxes. Congress has the ability to regulate trade between states and other countries.

i believe it is capitalists.  

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.