Fortheentire1260years,theemperorsacknowledgedthesupremepowerofreligion.

For the entire 1260 years, the emperors acknowledged the supreme power of religion.
[Q]: [DerrelWhereverhewent,therewereseveralotherswhofollowedhim.]
[A]: [Derrel Wherever he went, there were several others who followed him.]
Problem: Add spaces: KacthentriedtogototheUnitedStates,helpedbySteinhauswhowasnotonlyhisteacherbutalsobythistimehisfriend.

Spaces added: Kac then tried to go to the United States, helped by Steinhaus who was not only his teacher but also by this time his friend.
This text is missing some spaces, please add them: OtherroomsinBerlinMitte
Other rooms in Berlin Mitte
input question: Fix spacing: Toavoidburnsalwaysuseovenclothsorovengloves.

output answer: To avoid burns always use oven cloths or oven gloves.
input question: Fix spacing: Thecontrolelementsandmenunavigationaredesignedsothattheymaybeoperatedintuitively.

output answer:
The control elements and menu navigation are designed so that they may be operated intuitively.