What is associated with: canberra designer walter burley griffin served as this american architects assistant from 1901 to 1906?

What is associated with: canals connect this 2200 mile long river to the baltic black white seas to moscow? Based on the clue 'canard may mean a hoax or rumor or this bird perha...', what is the answer? Based on the clue 'canard sauvage the wild type of this bird may be c...', what is the answer? Based on the clue 'canaries take their name from the canary islands w...', what is the answer? What is referred to by 'canberra wellington jakarta'? Based on the clue 'cancel long periods praciticing with this string i...', what is the answer? Based on the clue 'cancer is the crab that attacked this hero who was...', what is the answer? Based on the clue 'cancerians might feel like marching sideways becau...', what is the answer?