Add punctuation: Had visits from the USA and Germany and arranged historical tours of Copenhagen related to the slave trade
A: Had visits from the USA and Germany and arranged historical tours of Copenhagen related to the slave trade.

Add punctuation: Its toilet time and youre about to explode
A: It's toilet time and you're about to explode.

Add punctuation: The limited turn radius and safe seat adjustable in height complete the safety set of the tricycle
A:
The limited turn radius and safe seat adjustable in height complete the safety set of the tricycle.