Which it made it hard that they couldn’t use railroads, it has a huge impact on people .
example: would be
Answer:
Population
Explanation:
Population -
It refers to as the complete set of samples , from which certain sample of specific features are selected , is referred to as population .
For example ,
In a survey , total number of sample or people is referred to as the population ,
i.e. ,
It consists to as summation of the number of selected as well as non selected samples .
Hence , from the given scenario of the question ,
The correct answer is Population .