Why did henry iv beg the pope for forgiveness?

he wanted to gain more control as emperor.
he realized the great power of the church.
he recognized that he had committed a sin.
he had few resources to fight off challengers.

Option: He had few resources to fight off challengers.

Explanation:

Henry IV beg for forgiveness from Pope George VII because he challenged the Church by declaring himself powerful to appoint Church officials. Henry IV excommunicated by Pope George VII because of appointing his bishops. Henry IV make up his mind to beg for forgiveness because he had little resources to fight off the challengers who threaten his reign during the Middle Ages.  

if you are talking about current time the answer is no

if you are talking about when the colonies were developing the answer is yes

i thinl it is the 1st answer