Answer:
Both a and b
Explanation:
The main motivation was a) to find a new sea route to Asia, because after the Ottoman Empire took control of Constantinople in 1453, it became harder for Western European countries to trade with Asia through the East, so they began to look for alternatives through the west.
However, b) also became a motivation. Christianity was deeply rooted in political power by the time, and the advancement of Christianity not only made the Church more powerful, but the governments as well.
To obey the Pope's call to free the Holy city from the infidels and ensure access for pilgrims. To be forgiven for past sins. The Pope offered forgiveness for anyone who took part. This was important for knights who had killed many people in battle. To see the world, have an adventure and prove their bravery.
The answer is C hope this helps
