The statement given is true in all sense, as "limiting contact with foreigners was the main goal of Chinese".
Explanation:
China was long ruled my the imperial rule and due to the fact that the power houses inside the region were greatly worried about the change that foreign influence may cause inside the region. While, the required the set of constitutional rules which would limit any foreign interests inside the region and most of the population would be kept inside the isolation leading to a more secure form of governance for the imperial rule for much loner time.