Vaccination to prevent diseases. Vegan diets or whatever diets will not prevent them from having a better immune system to fight off such diseases
The correct answer to this open question is the following.
Despite having a basis in religious and ethnic intolerance, the way in that the Crusades increased cultural interaction between Europe and the Middle East was the following.
Beyond waging war during the Crusades, Europeans started to appeal for goods from Asia, India, and China. Muslim goods and art seemed to like European people and trade relationships started to be more common. The famous Silk Road served to connect European merchants with Asian merchants and the exchange of products and ideas through the Silk Road was an important part of trade history in those years.
St. Teresa of Avila was a prominent Spanish mystic, Roman Catholic saint, Carmelite nun and author during the Counter Reformation, and theologian of contemplative life through mental prayer. Hope this helps. Have a nice day. Feel free to ask more questions.
The right answer is Sunni , A)