Put in the articles a / the where it is necessary 1. united states is in north america. 2.it is washed by pacific ocean in east, and atlantic ocean in east, and atlantic ocean in west. 3.highest mountains are rocky mountains,cordillera and appalachian mountains. 4.highest peak mckinley is situated in alaska. 5.the main rivers are mississippi, columbia and colorado. 6.first inhabitants of america were indians. 7.america was discovered by christopher columbus in 1492, and it was named after amerigo vespicci, very famous sailor. 8.washington is capital of usa. 9.capitol is in the centre of city ну !