What is associated with: alaskan oil worth millions cost over 2 billion to clean up after this ships 1989 spill?

Based on the clue 'alaska pipelines were constructed so as to allow t...', what is the answer? What is associated with: alaska pop 226000? Based on the clue 'alaskan adventures cicely but not tyson ah the cas...', what is the answer? Based on the clue 'alaskan bay or one of its features 7', what is the answer? What is associated with: alaskans vote every 10 years on whether to hold one of these conventions like the usas in 1787? Based on the clue 'alaskas cape wrangell in this island chain is the ...', what is the answer? Based on the clue 'alaskas flag features the north star as well as th...', what is the answer? Based on the clue 'alaskas katmai national park contains the valley o...', what is the answer?