The Gadsden Purchase is historically significant because
A) It was the first land sale in the new Kansas Territory.
B) The small strip of land in Arizona and New Mexico would become the lynchpin of a Southwest railroad line.
C) Opposition to it showed that public attitudes about expansion were changing.
D) It was the first U.S. attempt to purchase Cuba.
E) It facilitated an unofficial military expedition to Honduras.
Question 2
Which of the following was not an opinion on slavery held by free soil supporters?
A) Some free-soilers objected to slavery in the West because they didn't want any blacks at all there.
B) Free-soilers believed that American slavery had natural geographic limits beyond which it would not spread.
C) Free-soilers believed that the presence of slavery impeded the progress of white civilization.
D) Free-soilers believed that wherever slavery appeared, labor lost its dignity.
E) Free-soilers thought that slavery should be abolished simply because it was immoral.
Gecarcinus quadratus, a land crab from Central and South America
Deforestation and increased road-building in the Amazon Rainforest are a significant concern because
Giant African land snails
Jan-Dec Global Mean Temperature Over Land and Ocean
Agricultural Land as a Fraction of Total Wealth in the United Kingdom
A very small sampling of organisms in an arctic food web on land.