Answer:
An experiment
Explanation:
The investigation in which a hypothesis is scientifically tested is called hypothesis. In the experiment cause (Independent Variable) and the effect ( dependent variable) is measured and extraneous variables are controlled. The opinions and views of the researcher should not have any effect on the results of a study, it made the data less biased and more valid.
The radical republicans differ from Lincoln's plan because they thought the war was easy towards the south.
Explanation:
Radical republicans believed that the Lincoln plan for reconstruction was not harsh enough because from their point of view the south was guilty of starting the war and the deserved to be punished as such. The south needed to be rebuilt the civil war.
President Andrew Johnson, the successor to President Abraham Lincoln, after his assassination had a very difficult idea about it than with radical republicans.
Answer:
Pennsylvania railroad
Explanation:
Pennsylvania railroad as a supervisor. At the age of 33 in NYC, Carnegie wrote a letter to himself.
It was primarily "Valley Forge, Pennsylvania" that served as the headquarters for General Washington’s troops during the winter of 1777-1778, which was an incredibly brutal winter in which many people died of exposure.