Question

How were the new industrial unions different from the older trade unions

Answer 1

Answer;
The new industrial unions were different from the older trade unions in that they were more focused on protecting workers from very dangerous conditions in the factories. 

Explanation; 
Industrial unions were organizations of skilled (craft workers) and unskilled (common laborers) workers within an industry. 
Industrial unions organized workers industry wide including unskilled with skilled workers rather than following strict craft lines like traditional unions. Many of the new industrial unions arose in the 1930's with the Congress of Industrial Organizations. 

Answer 2

One of the main ways in which the new industrial unions were different from the older trade unions is that they were more focussed on protecting workers from very dangerous conditions in the factories.