Please capitalize where necessary: bungalow near coast used caribbean dominican republic
A: Bungalow Near coast used Caribbean Dominican Republic

Please capitalize where necessary: there are also fewer guests today and everybody sits outside.
A: There are also fewer guests today and everybody sits outside.

Please capitalize where necessary: in this undertaking there was no difference at all between "the free world" and the enslaved world behind "the iron curtain"; on the contrary, there was identity of purpose and synchronization in its execution.
A: In this undertaking there was no difference at all between "the free world" and the enslaved world behind "the Iron Curtain"; on the contrary, there was identity of purpose and synchronization in its execution.

Please capitalize where necessary: in the first 3-7 days of treatment effect is visible to us.
A:
In the first 3-7 days of treatment effect is visible to us.