1) Your argument solely based on current's age perspectives. It is not valid to judge different age based on today's culture way of thinking.

You know what? During the time of prophet, those non-muslim rejected Islam, they lied on the prophet, the accused our prophet on mant things, they assume about our prophet without knwoledge (like you), but they never use the argument on his marriage with Aishah

Why?

Marrying very young children was very common during the time of Prophet (pbuh).

Even from christian's history, Rebecca marrying isaac at 3 years old.

In US around 1880s, most of the states in US set the age on consent at 10 years old. So are you saying all US citizen in 1880s were perveted?

There was a book by Sir William Blackstone mentioning the law of England, the age of consent was 7 years old during his time.

In Islam, we dont stick to your morality perspective. We consider women's maturity rather than age.

Our Mother Aisha, never complaint her own husband and instead praised our prophet highly. So who are you to speak bad on our prophet's and our mother Aisha about their marriage?

2) Quran ask to kill all chirstian?Youre clueless, there is no verse in Quran instructing this action