Why was Rhineland separate from Germany

On 7 March 1936 German troops marched into the Rhineland. This action was directly against the Treaty of Versailles which had laid out the terms which the defeated Germany had accepted. This move, in terms of foreign relations, threw the European allies, especially France and Britain, into confusion.

b. they tried to evict the squatters from the area.

so sorry if wrong

to force terrorists groups to stop attacking western targets using massive military force.