B is the answer because the Europeans were immune to the virus and the Indians weren't so they grew very ill which helped the Europeans.
AUD or the Alcohol Use Disorder specified in <span>ICD-10-CM Diagnosis.
Casey was having the disorder usually known as AUD. </span>Problem drinking that becomes severe is given the medical diagnosis of “alcohol use disorder” or AUD. AUD is a chronic relapsing brain disease characterized by compulsive alcohol use, loss of control over alcohol intake, and a negative emotional state when not using. <span>To be diagnosed with AUD, individuals must meet certain criteria outlined in the Diagnostic and Statistical Manual of Mental Disorders (DSM). Under DSM–5, the </span>current version<span> of the DSM, anyone meeting any two of the 11 criteria during the same 12-month period receives a diagnosis of AUD. </span>
Explanation: Collusion can lead to: High prices for consumers. This leads to a decline in consumer surplus and allocative inefficiency (Price pushed up above marginal cost) New firms can be discouraged from entering the market by types of collusion which act as a barrier to entry.
