Napoleon's Invasion of Ottoman Egypt in 1798 and Russia in 1812

Napoleon's invasion of Ottoman Egypt in 1798 and Russia in 1812 drove home to their rulers that:

A) If united in sufficient numbers, even under-equipped soldiers could destroy a mobile army.
B) His mobile artillery units drilled in flexible formations were no match for their mercenary armies.
C) His armies of mass conscripts, equipped with flintlock muskets, were superior to theirs.
D) They would have to ally in a common cause against Western European aggression.