How did Reagan’s approach toward the USSR shift after Gorbachev came to power?

Reagan agreed to ban all nuclear missiles.
Reagan agreed to meet openly with Soviet leaders.
Reagan agreed to increase involvement in conflicts.
Reagan agreed to end all Cold War policies.

How was louis and clark expedition event unfolding and what was going on

The supreme court serves what important function in the u.s. federalgovernment?

Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earth’s surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers.