it was started by the British in the 1880's
I would say that "half" is the best option: UK and Spain were never conquered for example, but France, Denmark and Norway were, and so were the Benelux and Austria.
Murder, love, divorce, prayer, adultery, fastening, alms-giving
A is Himalayas and B is the Yellow river...(Check google maps if not sure)
1. Line c and a are parallel. Line b is perpendicular to line a and c.
2. Line b and c are parallel. Line a is perpendicular to line b and c.
I’m not sure about number 2. But I’m confident about number 1.