Which of the following was a product exported by the olmec, is closely associated with their name, and lends strength to the argument that they were the originators of the mesoamerican ballgame? a. rubber b. cotton c. corn d. jade

Which physical feature minimizes population density in northern africa?

The antiwar protests of the late-1960s contributed to which of these? the election of lyndon johnson passage of the voting rights act passage of the 26th amendment the geneva accords

What governments allow the use of the initiative, the referendum, and the recall? a. all state governments and the federal government b. some state governments and the federal government c. some state governments d. all state governments