In Canada and the United States, tobacco companies are required to include warnings to smokers on their products and to limit advertising to prescribed media. Within Canada and the United States, they follow these rules but often use more aggressive methods in countries with no such rules. As such, tobacco companies typically adopt a$($n$)\_\_\_\_\_\_\_\_$ stance to social responsibility in marketing their products.$(1$ Point$)$DefensiveProactiveObstructionist