According to the opinion of scientists, hajj develops tolerance among pilgrims and reduces negative mood with regard to non-Muslim out world. Earlier studies implemented by Kennedy Harvard School (USA) gave the same results. 

As informs «IslamOnlineCom», the study called "Estimation of hajj influence: religion and tolerance in the world meeting of Muslims" held by the number of American specialists showed that the annual pilgrimage encourages the development of Islam adepts tolerant attitude towards other religions and cultures. The results were based on the poll data of more than 1600 Pakistani pilgrims.

It is also interesting that according to the statement of scientists, hajj lessens superstitions and makes Muslims treat woman's role better, including their education and employment. "People become more religious, and at the same time more tolerant", - stated Assim Igkhaz Hvadja, an author of the study.

Source: http://www.islam.ru