Answer :
The major goal of conservationists would most likely be described as using land wisely and managing it for the future (A). However, conservationists would also support all of the other provisions in support of this goal such as establishing parks and public lands in towns and cities, leaving vast acres of land untouched, and teaching natural sciences in schools.
The major goals of conservation was A) using lady wisely and managing it for the future. because it would benefit the people and it would have better environment even though other answers would fit the prescription of the question, A) would be the overall goal which affects the most.