I beleive your answer is D it was one of the most fortified islands in the island hopping campaign.
(D) a result of poor conditions and treatment like this lead to the formation b of Unions
Answer:
d. payroll tax
Explanation:
Although the term is known, not everyone knows what Social Security is. Well, Social Security is a social insurance in which the worker participates through monthly contributions through the payroll tax. The benefit of this contribution is to guarantee the insured worker an income when he can no longer work - that is, retire. In other words, social security is the public system that guarantees workers' pensions.
The answer to your question is false. China was the only country with an open door policy between America.