Does the sentence "Stalin began a more aggressive strategy in Asia based on these developments, including promising economic and military aid to China through the SinoSoviet Friendship, Alliance, and Mutual Assistance Treaty." provide a valid answer to the question "Where did Stalin engage in an aggressive political strategy?"

A: yes

Does the sentence "British naval missiles used included Sea Dart and the older Sea Slug longer range systems, Sea Cat and the new Sea Wolf short range systems." provide a valid answer to the question "What older system did the British naval use?"

A: yes

Does the sentence "Elements of the public sphere included: it was egalitarian, it discussed the domain of "common concern," and argument was founded on reason." provide a valid answer to the question "How was the public sphere defined?"

A: no

Does the sentence "On visiting Southampton in 1339, Edward III ordered that walls be built to 'close the town'." provide a valid answer to the question "What principality did Grimaldi set up with the profits from plundering Southampton?"

A:
no