how did the industrial revolution develop the idea of nationalism?

Industrialization developed nationalism to unite and protect the country's wealth.

Explanation:

Nationalism was triggered when the era of revolution was brought about in the industry, near 18th and 19th century as follows:

First of all, before the industrial revolution, people were confined to their small living area or pertaining to their work area. Through industrial revolution, they got the platform to merchandise as well as to know the nation access through and through, bringing about the nationalism.

Other factors were like, technological adaptations and advancements; self-recognition, development; ethnicity; commodification, and similar effect brought about the strength and feel of nationalism.

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34