Which change in united states foreign policy is demonstrated by the passage of these acts prior to world war ii?

cash and carry (1937)
destroyers for naval bases deal (1940)
lend-lease act (1941)
which change in united states foreign policy is demonstrated by the passage of these acts prior to world war ii?

1.a shift from neutrality toward more direct involvement

2.an effort to become more neutral

3.a movement from isolationism to containment of communism

4.a desire to provide aid to both allied and axis powers