A

is used to show a large pause or interruption in thought within a sentence.
A comma does not make sense because all a comma does is separate elements in a sentence; a colon separates thoughts and/or enumerations.
Thus, dash was the only reasonable answer.
You're welcome.
Being a part of team mean to me that I am not being left out and I am in a group to help out teammates.
Answer:
D) Establish an independent cultural identity
Explanation: Not wanting to follow in China’s footsteps, Japan needed to distance itself from the political and cultural practices that they had inherited from China in order to survive as a country.
Risk-taking. The answer is A