Pressure groups and movements have deepened democracy. . It reminds the government of the needs and concerns of ordinary citizens. . Put pressure on the rulers for the unhealthy activities. . It performs a useful role of countering undue influence of the rich and powerful people. . One single group cannot achieve dominance over society. . The government gets to hear about what different sections of the population want. . This leads to a rough balance of power and accommodation of conflicting interests.