What is the relationship between "child's play" and the theatre? O both can be easily categorized into different genres, such as comedy and tragedy.
both involve acting out different roles.

O they are, in fact, nothing alike.
both are unconcerned with serious issues and only focus on having fun

both involve acting out different roles.

Explanation:

'Child's play' can be defined as an informalized play or free play performed by children's. Whereas, theatre is a formal and professional activity performed by professional players, directed and produced for stage plays.

The commonality shared between the child's play and the theatre is that they both involve acting out different roles. Both the plays include playing of roles. In child's play, they play the role of characters around them such as parents, aunts, neighbours, etc whereas, in the theatre, players play a significant role assigned to them in the play. Both the plays have varied roles.

Thus from the given options, correct one is the second one.

more than 65,000 union soldiers had been killed that summer.

more than 65,000 union soldiers had been killed that summer.

more than 65, is the correct