Answer:
Reconstruction, in U.S. history, the period (1865–77) that followed the American Civil War and during which attempts were made to redress the inequities of slavery and its political, social, and economic legacy and to solve the problems arising from the readmission to the Union of the 11 states that had seceded at or ...
<span>Researchers fail to control variables that then damage the overall integrity of an experiment. The conclusions can be wildly inaccurate as a result. The results may show a negative correlation between variables that invalidate the total effort. The researchers assume variables but do not account for a variable that influences the statistical outcome of the experiment.</span>
<span>Samuel de Champlain was the most associated with the first successful European settlement in Canada.</span>