Answer
The methods Kings and Queens of Northern Europe used to gain power were;
• A. They bribed their rivals with land
• B. They threatened their Rivals with war
• C. They executed their Rivals by Cutting of their Heads
• D. They married royalty from powerful land.
Explanation
The countries in northern Europe that have this type of governance include the United Kingdom, Belgium, Netherlands, Spain, Norway, Sweden and Denmark. Some of these rulers gained their position through conquest, for example William I. Others won a civil war and they acquired the kingship for example Henry VII. Queen Elizabeth I was the daughter of a King, thus the kingship was directly handed to her. Marriage also resulted to the kingship state, for example marrying an existing ruler in the cases of Mary Queen of Scots and Queen of France. In some events, one king was disposed by another one resulting into taking the place of then former ruler. For example, King Henry IV. In some other case, a king is murdered and his position taken by another king, for example the event of King Richard III.