Arrange the events in chronological order. tiles the fourth crusade attacked and sacked the city of constantinople. western countries launched a series of crusades. the ottoman turks conquered constantinople. the byzantine emperor sought the crusaders’ to defeat the arab muslims.

1) The Byzantine Emperor sought the crusaders’ help to defeat the Arab Muslims – 1905. The Byzantine Emperor asked for aid from the Pope to defeat the Arab Muslims in the Holy Land.

2) Western countries launched a series of crusades – 1096. The first crusade was launched.

3) The Fourth Crusade attacked and sacked the city of Constantinople – This happened in 1204, the attack of Constantinople was the culmination of the Fourth Crusade.

4) The Ottoman Turks conquered Constantinople – 1453. On the 29th of this year, the Ottoman army, led by Sultan Mehmed II who defeated the Emperor Constantine XI Palaiologos.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts

porter is writing economic history because he is focusing on the cost of developing vaccines.