Answer:
In the United States, there are currently 45 individuals that have served as a president.
Explanation:
Although there has been 45 presidents overall, technically there has been 46 presidencies due to Grover Cleveland who was elected two times not back to back.
raising the cost of some medicines
doubling the production of medicines
decreasing life expectancy rates
increasing infant mortality rates
All were civil rights cases that affected the nation.