They did it by riches and weath and economy
Answer
The problems the church faced during the invasion of the magyars and vikings include:
1. Simony: This involves selling church properties and sacred items.
2. Lay investiture: This deals with appointment of religious leaders by traditional rulers
3.Clerical marriage: Allowing clergymen to marry and it is different from allowing married men become clergy.
4.Celibacy: Abstaining from intimate activities.
5.Abuse of power in the hands of lay rulers.
A--needing a place for steamships to refuel: the push came from the need for a modern navy to support the economic interests in Asia.
Alfred Mahan's book on sea power convinced the US government a modern navy was needed. To create a large fleet, the US needed ports on islands throughout the Pacific to refuel and rest ships. These parts were provided as trade deals, protection, or takeover of the land.
The phenomenon of logrolling occurs when two members of congress conflicts in their interests, however, support each other's bills. Furthermore, the principle is commonly used in the Congress and is named to a sport. It is also called "trading of favours" or "quid pro quo."