How much of the christian world had muslims conquered by the time of the first crusade?

the policy of appeasement influenced the beginning of ww2 because hitler gave the other countrys chocies but after they choose to try and appease hitler to not invade their country but he still invaded them.

because they can and they wanted to.

according to islamic belief there is only one god and muhammed is god´s messenger.

he was sent to introduce and instruct his people with god´s teachings : the 5 pillars of islamism. these are the five basic acts of islamic religious belief.

number one is the declaration of faith. this means there is only one god and one messenger.

number two is obligatory five prayers . number three is compulsory giving in order to achieve balance and encourage individual growth.

number five is fasting in the month of ramadan and the final number five pilgrimage to the mecca.