What is the reason he was late?

In order to resolve this situation, everyone's cooperation is necessary.

The government began to control the actions of citizens on the grounds of an emergency.

The state control in response to the emergency has been strengthened.

This is an urgent problem.

An emergency has occurred, so please take action immediately.

We would like all citizens to cooperate with this plan.

He started to act immediately.

I couldn't understand his actions.

I decided to start a new project.