it would be the development of Vaccine
For example, Before vaccine was invented, many people in Europe died from small pox. Approximately, small pox alone took around 400,000 of European people each year. (to understand how bad it is, it's important to know that their total population at that time was so small compared to the current population)
The development of vaccine prevented European people during industrial revolution from infected from many type of illness that could easily harm them due to lack of knowledge to treat them.
President Johnson was opposed to the radical republicans because he strongly disagreed with him on the status that African Americans should have in American society.
A surveyor from each state shall be appointed by Congress or a Committee of the States, who shall take an oath for the faithful discharge of his duty, before the geographer of the United States, who is hereby empowered and directed to administer the same; and the like oath shall be administered to each chain carrier, by the surveyor under whom he acts.
The geographer, (under whose direction the surveyors shall act) shall occasionally form such regulations for their conduct, as he shall deem necessary; and shall have authority to suspend them for misconduct in office, and shall make report of the same to Congress or to the Committee of the States; and he shall make report in case of sickness, death, or resignation of any surveyor.
The surveyors as they are respectively qualified shall proceed to divide the said territory into townships of six miles square, by lines running due north and south, and others crossing these at right angles, unless where the boundaries of the late Indian purchases may render the same impracticable, and then they shall depart from this rule no farther than such particular circumstances may require.
One method of influencing the judiciary that is at the President's disposal is "the ability to appoint, with Senate<span> confirmation, all federal judges" The president cannot fire judges.</span>
Answer:
the U.S paid 15 million dollars
