> The reasons for its strength have actually less to do with immigration than the continuous state of crisis of the French economy combined with the corruption of the political establishment.

The political establishment in France is in thrall to a radical, globalist agenda that seeks to increase its power by performing 'divide and conquer'.

A multicultural society has many more fault lines that can be exploited for political gain. One has only to look at how miserably the US is faring and how Americans are getting it good and hard from the donor class..