Answer:
The House Speaker of the United States .
<em>Current House Speaker of 2020: Nancy Pelosi (D-NY)</em>
A war in Mexico would be under the Northern Command. The correct option among all the options given in the question is option "C". This is the newly formed Command that was created by Secretary of Defense Rumsfeld to counter the threat of terrorism. Under the Northern Command falls the areas of United States, Canada and Mexico.
The right to elect tribunes who could veto laws.
Answer: D
Explanation: All of them are viable ways to take part in Democracy