The United States is 80% Christian. And it is the command of the Qur'an that Muslims eliminate those that do not believe in Islam.
In truth, the Qur’an not only calls Muslims to submit to Allah, it also commands them to subdue people of other religions until they are in a full state of submission to Islamic rule. This has inspired the aggressive history of Islam.
Submission and peace can be very different concepts, even if a form of peace is often brought about through forcing others into submission. As the modern-day Islamic scholar, Ibrahim Sulaiman, puts it, Jihad is not inhumane, despite its necessary violence and bloodshed, its ultimate desire is peace which is protected and enhanced by the rule of law.
Qur'an (2:191-193) And slay them wherever ye find them, and drive them out of the places whence they drove you out, for persecution [of Muslims] is worse than slaughter [of non-believers]...and fight them until persecution is no more, and religion is for Allah.
Qur'an (2:216) Fighting is prescribed for you, and ye dislike it. But it is possible that ye dislike a thing which is good for you, and that ye love a thing which is bad for you. But Allah knoweth, and ye know not. (Not only does this verse establish that violence can be virtuous, but it also contradicts the myth that fighting is intended only in self-defense, since the audience was obviously not under attack at the time.
Qur'an (3:56) As to those who reject faith, I will punish them with terrible agony in this world and in the Hereafter, nor will they have anyone to help.
Qur'an (3:151) Soon shall We cast terror into the hearts of the Unbelievers, for that they joined companions with Allah, for which He had sent no authority".
Qur'an (8:12) I will cast terror into the hearts of those who disbelieve. Therefore strike off their heads and strike off every fingertip of them"
Qur'an (8:59-60) And let not those who disbelieve suppose that they can outstrip (Allah's Purpose). Lo! they cannot escape. Make ready for them all thou canst of (armed) force and of horses tethered, that thereby ye may dismay the enemy of Allah and your enemy.
Qur'an (9:14) Fight them, Allah will punish them by your hands and bring them to disgrace...
Qur'an (9:73) O Prophet! strive hard against the unbelievers and the hypocrites and be unyielding to them; and their abode is hell, and evil is the destination.
Qur'an (9:123) O you who believe! fight those of the unbelievers who are near to you and let them find in you hardness.
Qur'an (21:44) We gave the good things of this life to these men and their fathers until the period grew long for them; See they not that We gradually reduce the land (in their control) from its outlying borders? Is it then they who will win?"
Qur'an (25:52) Therefore listen not to the Unbelievers, but strive against them with the utmost strenuousness, with the (Qur'an).
Hadith 4:271 - Narrated Jabir:
The Prophet said, "Who is ready to kill Ka'b bin Ashraf (i.e. a Jew). Muhammad bin Maslama replied, "Do you like me to kill him?" The Prophet replied in the affirmative. Muhammad bin Maslama said, "Then allow me to say what I like. The Prophet replied, "I do (i.e. allow you).
Bukhari (52:177) - Allah's Apostle said, "The Hour will not be established until you fight with the Jews, and the stone behind which a Jew will be hiding will say. "O Muslim! There is a Jew hiding behind me, so kill him.
Bukhari (52:256) - The Prophet... was asked whether it was permissible to attack the pagan warriors at night with the probability of exposing their women and children to danger. The Prophet replied, "They (i.e. women and children) are from them (i.e. pagans).
Tabari 9:69 Killing Unbelievers is a small matter to us"
Ibn Ishaq: 992 Fight everyone in the way of Allah and kill those who disbelieve in Allah.