Gave U.S. National identity, started thinking about Manifest Destiny, Andrew Jackson become National hero, showed western frontiers man to lead army.
Answer:
During industrialization the dominant economic sector was the manufacturing sector/secondary sector and shifted once deindustrialization happened into the service/tertiary sector as outsourcing became more prominent because of lower labor costs in less developed countries.
It's a bar graph. The scientific question would be how different male and female temperatures are from each other. The significance is debatable. Not very significant. That's all I can do.. sorry