Why do you suppose California and Texas have the highest concentrations of federal employees outside of the Washington DC region? use your knowledge of geography and the location of the states on this map to guide your decisions (select all that apply)
A. both states have large seaports handling petroleum and another imports each year .
B. both states are important producers of agricultural products for the nation.
C. both states maintain international borders.
D. California headquarters the U.S air force and Texas headquarters the army.