When were the canterbury tales written?

a countries leader should be motivated by the common good of the country.

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

a drastic rise in oil prices ended decades of postwar.

is this question from a book? ?