What does "to see the elephant mean"?

What conclusion about the use of u.s. military power would be most logicallydrawn from the experience of the iraq war? a. the support of the american people is not necessary for militaryvictory.b. the superiority of american weapons is the most important factorin military conflicts.c. a stronger military does not guarantee victory.d. after a military victory, the defeated country may remain unstableand dangerous

The book by john kenneth galbraith discussed the growing gap between the increasing private wealth in the u.s. and the stagnant condition of resources allocated to the public sector.

Which type of constitutional power allows congress to regulate immigration and naturalization?