QUES: In any rational time the British and American governments would have spoken thus and they would have been supported by Jewish citizens

correct the punctuation.

CORRECTED: In any rational time the British and American governments would have spoken thus, and they would have been supported by Jewish citizens.

QUES: This comfortable apartment is located in the Gothic Quarter next to the Ramblas

correct the punctuation.

CORRECTED: This comfortable apartment is located in the Gothic Quarter, next to the Ramblas.

QUES: Waste from the private households including bulky waste is increasing

correct the punctuation.

CORRECTED:
Waste from the private households, including bulky waste, is increasing.