Question

who were trade guilds

Answer 1

trade guilds is a association of skilled persons who use to manage the market,prices of goods and didn't allow new people to come in trade.

Answer 2

Guilds were and are associations of artisans or merchants who control the practice of their craft in a particular town. The earliest types of guild were formed as confraternities of tradesmen. They were organised in a manner something between a professional association, trade union, a cartel, and a secret society.