Please capitalize where necessary: the museum explains both changes and that which endures within this cultural heritage, as expressed in all aspects.
A: The museum explains both changes and that which endures within this cultural heritage, as expressed in all aspects.

Please capitalize where necessary: it slows things down, it is frustrating, you cannot be confident that things have been put right and it wastes a lot of money.
A: It slows things down, it is frustrating, you cannot be confident that things have been put right and it wastes a lot of money.

Please capitalize where necessary: but the many new ideas of the enlightenment meant that the bourgeoisie at times turned against the kings because they wanted more political influence.
A: But the many new ideas of the Enlightenment meant that the bourgeoisie at times turned against the kings because they wanted more political influence.

Please capitalize where necessary: it links the city to montjuic and can be reached via metro lines 2 and 3 at paral-lel metro station.
A:
It links the city to Montjuic and can be reached via metro Lines 2 and 3 at Paral-lel metro station.