This bar graph displays the percentage of the population and the percentage of the US workforce engaged in farming from the years 1840 to 1900. It provides insights into various subjects that could be addressed in a paper or presentation. The graph could be used as evidence for discussing:
Agriculture: The graph clearly represents the percentage of the population and workforce involved in farming, making it relevant for studying agricultural trends and changes over time.
Employment: The data on the percentage of the US workforce engaged in farming sheds light on the employment patterns and the significance of farming as an occupation during the given period.
The economy: The graph indirectly reflects the importance of agriculture to the economy, as the percentage of the workforce engaged in farming can indicate the sector's contribution to the overall economy.
Population growth: By observing the changes in the percentage of the population engaged in farming, one can infer how population growth might have affected agricultural practices and the distribution of labor.
Education: Although not directly represented in the graph, one could use the data as a basis for discussing the potential impact of education on the shift away from agricultural occupations.
Death rates: The graph does not provide information on death rates, so it cannot be used as evidence for discussing this subject.
To summarize, this bar graph is applicable for papers or presentations on agriculture, employment, the economy, population growth, and potentially education.