Cardozo agrees to sell Holmes 100 bowler hats and to deliver them on Friday. He fails to deliver the hats. Cardozo has his contract with Holmes.

Express

Explanation:

Express contract can be defined as a contract which it terms have been spelt out by both parties, everything involved in the contract would be detailed, this agreement is done either orally or written. Cardozo's agreement to sell Holmes 100 bowler hats and to deliver them on Friday is seen as express contract as the number of items to sell and date to deliver were specified.

answer; strength of association;

answer; dr.black,who allows only certain individuals to mate;