Which of the following statements is FALSE?
a. After statehood, Texas built several new factories that did not rely on slave labor.
b. Cotton production in Texas became dependent on slave labor after annexation.
Some plantations produced sugar instead of cotton.
d. Successful plantation owners became the upper class in Texas during the 1850s and 1860s.

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change