How could governments in times of the Corona pandemic try to
multiply the positive effects of vaccinations and social-distancing.

They could do more than jus send out money they could just declare a national emergency all together & or just partner with Asia to help with finding a vaccination.

Explanation:

the president has the power to appoint federal judges, ambassadors, and other "principal officers” of the united states, subject to senate confirmation of such appointments.

answer; i believe the answer is 80%, plz check first good luck;