Add punctuation: By the time Napoleon succeeded to power a Jewish problem of the first order had thus been created for him and after his failure to solve it for the world
A: By the time Napoleon succeeded to power a Jewish problem of the first order had thus been created for him and (after his failure to solve it) for the world.

Add punctuation: The accommodation is located next to Barcelonas famous La Rambla and opposite Plaza Real Barcelonas famous Boqueria Market is only a 5minute walk away
A: The accommodation is located next to Barcelona's famous La Rambla and opposite Plaza Real. Barcelona's famous Boqueria Market is only a 5-minute walk away.

Add punctuation: Once mobilized the entire army came at dawn went out with intentions of capturing deer sanglans pheasants and finally did not fuss or a frightened rabbit of a frightened thrush
A:
Once mobilized the entire army, came at dawn, went out with intentions of capturing deer sanglans, pheasants and, finally, did not fuss or a frightened rabbit of a frightened thrush.