The power of the president to veto laws and the power of the House of Representatives to impeach are examples of 1
federalism
2
the unwritten constitution
3
executive privilege
checks and balances

checks and balances

Explanation:

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.