National unions differed from local unions in that national unions
a)included workers from different industries.
b)did not support the eight-hour work day.
c)refused to use strikes as a way to achieve their goals.
d)excluded craft union members and skilled workers.

1) the andrew carniage's purchase and renovation of skibo castle have been very good and auspicious for the local people of dornoch firth, scotland because this is a turistic attraction for many people who would want to know the castle, the local people would take advantage about this.

2) yes, it could.