I don't think he would neglect his children, or allow elders to make all the decisions, I believe that he would encourage his children to play on his own. I would go with he encourages children to play on their own.
Answer: He has decided to kill the king
The one with the propositional phrase is c. under bridges
Just add “It sailed through the window” to your answer and it will be perfect.
Explanation: An independent clause is something that can stand as a Simple Sentence and that can be a simple sentence.