Technology and presidential communication | US government and civics | Khan Academy
8:10
Formal and informal powers of the US president | US government and civics | Khan Academy
10:37
How a bill becomes a law | US government and civics | US government and civics | Khan Academy
10:39
Mucus vs. Phlegm vs. Sputum | What's the Difference?
42:14
How to Communicate Clearly and Concisely (Free Mini-Training)
8:06
Voting rights | Political participation | US government and civics | Khan Academy
16:57
Article III of the Constitution | US Government and Politics | Khan Academy
7:16
Crise na Alemanha: por que economia do país está ficando para trás?
4:41