When did vaccines become mandatory in the us?

Based on new mexico's transition from territory to statehood, which conclusions is best supported? a) hispanic's had litte interest in being part of the united states b) white americans distrusted those who were not like them c) native americans did not have voting rights in the united states d) president william h. taft was a native of new mexico

Under president reagan, the united states began to develop the strategic defense initiative, nicknamed "star wars.” what was the goal of that plan?

Why is it important that dr. luther king jr. use non-violent protest to create social change?