प्राचीन भारतीय संदर्भों में 'सार्थवाहकुल' (Satthavahakula) शब्द का क्या अर्थ है?

Which statements accurately describe the Guild System (sreni) in the urban economy of the ancient period? 1. It was a remarkable feature of the organisation of the urban economy. 2. Guilds were composed only of artisans, such as smiths and potters, and did not include merchants. 3. The guilds played an important role in organising production and shaping public opinion. 4. The main function of the guilds was to provide security from competition and ensure the quality of the finished product.

Punch-marked coins, which have been found in abundance in Bihar and other regions, were predominantly made of which metal?