the social and economic changes from the industrial revolution contributed to the spread of liberalism because it gave the lower classes more clout (and thus more liberalism) within the society.

Jason Scott Smith has written:

'Building New Deal liberalism' -- subject(s): Economic conditions, Economic policy, History, Liberalism, New Deal, 1933-1939, Politics and government

the social and economic changes from the industrial revolution contributed to the spread of liberalism because it gave the lower classes more clout (and thus more liberalism) within the society.

There is no universal answer as liberalism can vary by country and context. In some places, support for liberalism may be growing due to changing social attitudes and economic factors. In others, it may not be experiencing significant growth or may even be facing pushback.

The ISBN of New liberalism is 978-1-926991-04-7.