The leader of the majority party in the house of commons is usually britain's:
prime minister
chief justice
president

The house of commons in Britain is headed by the leader of majority party who is the Prime Minister of the Britain.

Option A

Explanation:

The house of common in Britain has the leader of the majority party, Prime Minister is thereby being asked to form the government by the Crown of the Britain, under the name of the Crown of the Great Britain. It is the parliamentary lower house where the parliament members are nearly 650, and is legislated through the Parliament Act 1911.

after defeating german forces in north africa allied leaders turned their attention to "italy," since this was the location that made the most geographic sense before invading northern europe via france.