Which factors have the greatest effect on the climate of southern europe? elevation good harbors mountains navigable waterways oceans and seas

The factors that effect the climate on this region are elevation, mountains, and seas and oceans. Hoped I helped!

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers