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Planetary orbits around our Sun are not perfect circles.  They're ellipses--a loose term to use is oval or ovoid.  At some point Earth gets to its closest point along its orbital path to the Sun .  6 months later it will be at its farthest away.  The distance from the Sun is not what causes the seasons.  The amount of direct sunlight hitting a certain hemisphere of Earth is what causes the seasons.  So, when the Earth's axis is tilted so that the Northern Hemisphere is titled toward the Sun, it's summer time in the Northern Hemisphere. When the Northern Hemisphere is tilted away, it's winter.  So, even though we are closer in distance during January through March, we in the Northern hemisphere are tilted away and it is winter for us.  Yes, that means it is summer in the Southern Hemisphere.

Answer From Gauth Math

it sounds like either a or c

they were destroyed coming out of the civil war but after he war they were booming. if you need an in-depth answer follow up with me  

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