The primary responsibility of the judicial branch is to interpret and apply the laws and ensure their constitutionality.
The three branches of government share responsibility for the legal system. The Legislative branch (Congress) creates law; the Judicial branch determines their constitutionality and resolves disputes; and the Executive branch enforces the laws.
Francis Cabot Lowell built up an American textile manufacturing industry.
Answer: better leadership, foreign aid, knowledge of the land, and motivation.