There are five great lakes in the northen part of the USA.There are: Huren, Michigan, Supireo, Onterio, Erie. There are connected by channeis cut by rapids one of them the Neagara Folls.
6. Rivers
The Missisipy together with the Missury is the longast river in the world. The rivers of the west are unsutible for navigation.The larges of them are Colombia and Colorado rivers.
PART 2 National Economy.
The USA is a hardly developed capitalitic country.Heavy industry prevails in the USA,including such brauches as the mining , metalurgical,engineering out chemical industes.Being well developed light industry includes,textile, leather and footwear industries.The food industry is also well developed.
As agriculture bouth animal husbeudry and arally farming are prominent in the economy of the USA.