'Allowed' in the Bible
They were not allowed to kill them, but were only allowed to torture them for five months. Their torture was like the pain of a scorpion when it stings someone.
The beast was allowed to speak arrogant and blasphemous things, and it was given authority for 42 months.
It was allowed to wage war against the saints and to conquer them. It was also given authority over every tribe, people, language, and nation.
It deceives those living on earth with the signs that it is allowed to do on behalf of the first beast, telling them to make an image for the beast who was wounded by a sword and yet lived.
The second beast was allowed to impart life to the image of the first beast so that the image of the beast could talk and order the execution of those who would not worship the image of the beast.
The fourth angel poured his bowl on the sun, which then was allowed to burn people with fire,