Passage: On the following day, 6 January, the Revolutionary Committee again called for a mass demonstration. This time, even more people heeded the call. Again they carried placards and banners that proclaimed, "Brothers, don't shoot!" and remained waiting on an assembly square. A part of the Revolutionary Stewards armed themselves and called for the overthrow of the Ebert government. But the KPD activists mostly failed in their endeavour to win over the troops. It turned out that even units such as the People's Navy Division were not willing to support the armed revolt and declared themselves neutral. The other regiments stationed in Berlin mostly remained loyal to the government.

Question: Why did the Revolutionary Stewards obtain weapons?
overthrow of the Ebert government