7.1(A)^ identify the major eras in Texas history, describe their defining characteristics, and explain the purpose of dividing the past into eras, including … Texas in the Great Depression and World War II … 7.7(E)* analyze the political, economic, and social impact of … the Great Depression, World War II, and significant issues in the … early 21st centuries such as political and economic controversies, immigration, and migration on the history of Texas 7.8(C)*^ analyze the effects of physical and human factors such as climate, weather, landforms, irrigation, transportation, and communication on major events in Texas 7.9(A)*^ identify ways in which Texans have adapted to and modified the environment and explain the positive and negative consequences of the modifications 7.10(D) analyze the effects of the changing population distribution and growth in Texas and the additional need for education, health care, and transportation 7.11(A)*^explain economic factors and the development of major industries that led to the urbanization of Texas such as transportation, oil and gas, and manufacturing 7.12(B)* explain the impact of economic concepts within the free enterprise system such as supply and demand, profit, and world competition on the economy of Texas 7.17(A) identify the leadership qualities of elected and appointed leaders of Texas, past and present, including Texans who have been president of the United States 7.7(B) define and trace the impact of "boom‐and‐bust" cycles of leading Texas industries throughout the 20th and early 21st centuries such as farming, oil and gas production, cotton, ranching … banking … 7.8(A)^ locate and compare the Mountains and Basins, Great Plains, North Central Plains, and Coastal Plains regions 7.9(B)^ explain ways in which geographic factors such as the Galveston Hurricane of 1900, the Dust Bowl, limited water resources, and alternative energy sources have affected the political, economic, and social development of Texas 7.10(B)^ describe how immigration and migration to Texas have influenced Texas 7.11(B) explain the changes in the types of jobs and occupations that have resulted from the urbanization of Texas 7.12(A) explain the impact of national and international markets on the production of goods and services in Texas, including agriculture and oil and gas 7.17(B) identify the contributions of Texas leaders such as … John Nance Garner ("Cactus Jack") … Sam Rayburn 7.19(A)^ compare types and uses of technology, past and present 7.19(D)*^evaluate the effects of scientific discoveries and technological innovations on the use of resources such as fossil fuels, water, and land 7.19(E) analyze how scientific discoveries and technological innovations have resulted in an interdependence among Texas, the United States, and the world