Answer:
Alice winning the spelling bee contest.
Explanation:
A command
Definition: an official order or proclamation issued by a person in authority.
Answer:
D- Refusing to testify against oneself in court.
Explanation:
A company plans to make space flights available to those who can afford the ticket price.
...a type of commitment in which the parents of a boy and agirl agreeon having them marry.
According to the information available on this excerpt, a betrothal is a promise which can be later modified, in which the parents of a boy and a girl promise to marry them. This could also be a definition of arranged marriage.