Which of the following is an example of the principle of checks and balances? (1 point) presidents can veto an act of congress. members of congress have the power to raise their own salaries. federal courts have the power to hear cases involving federal law. presidents can appoint officers of the armed forces.

when he becomes king

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.