How did Martin Luther find print useful for religious reform?

A. उसकी criticism wide audience तक पहुँची / His criticism reached a wide audience

Step 1: Identify the concept: this is print and Reformation. Step 2: Luther's writings spread quickly in printed copies and religious debate increased. Step 3: Remember Luther with print-powered reform.

Step 1: concept पहचानें: यह print and Reformation है। Step 2: Luther की writings printed copies में तेजी से फैलीं और religious debate बढ़ी। Step 3: Luther को print-powered reform से याद रखें।