United States.
The Mississippi River does not flow thought Pennsylvania but the Ohio River, which is a tributary of the Mississippi, does flow through Pennsylvania.
The Mackenzie River flows through Canada.
Ohio Missouri Arkansas
England
The Ohio River
IT goes through France and is the longest river in the country.
Into the Mississippi River.
No. The Tennessee river and Ohio river both flows to the Mississippi river.
The Yangtze River flows through China.
The Ohio River. It forms the border between Ohio and Kentucky and in the extreme southwestern portion of Ohio. The river is a major shipping lane and shape much of the landscape.
The Mississippi is a United States river. It begins in Minnesota and flows to the Gulf of Mexico. It does not flow through any other countries except the USA.It is only in the US.
Think you mean the Vistula which is an important river in Poland