How to use "tyranny" in a sentence

To those new states whom we welcome to the ranks of the free, we pledge our word that one form of colonial control shall not have passed away merely to be replaced by a far more iron tyranny

Now the trumpet summons us again - not as a call to bear arms, though arms we need - not as a call to battle, though embattled we are - but a call to bear the burden of a long twilight struggle, year in and year out, "rejoicing in hope, patient in tribulation" - a struggle against the common enemies of man: tyranny, poverty, disease, and war itself.