Who is the only elected official to serve in two branches of government and who is this person today?

Which of the following was a similarity between classical mesoamerican and south american civilizations ?

As the coach of the u.s. olympic cycling team, i can state without question that the swedish and french teams were using illegal steroids. how else could they have beaten us so badly in the last competition? the u.s. team trained much harder and was much more skilled than our opponents. we only lost because a few teams cheated.

Which one of the following statements best characterizes change to agriculture in the united states since 1900