Why and how do people keep deleting questions?

They are called moderators.

Explanation:

Moderators have their own separate page where they see all flagged messages, and they then delete those messages. You have to become a trusted member first before obtaining moderator.

Explanation:   they want to spam ;-;

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.

probably that america is racist