There are 48 countries in Asia Japan, China, Indonesia, India, Maldives, South Korea, Thailand, Vietnam, Singapore, Philippines, Hong Kong, Malaysia, Pakistan, Iran, Israel, Taiwan, Cambodia, Bangladesh, Myanmar, Mongolia, Saudi Arabia, Nepal, Sri Lanka, North Korea, Afghanistan, Laos, Armenia, Uzbekistan, Iraq, Syria, United Arab Emirates, Timor-Leste, Lebanon, Jordan, Palestine, Christmas Island, Yemen, Macao, Qatar, Bhutan, Kuwait, Brunei, Turkmenistan Kyrgyzstan, Oman, Cocos Island, Bahrain, Tajikistan and British Indian Ocean Territory.
The answers are A and C because the northern army grew with the addition of the African Americans while the confederates suffered mutiny. And the same idea with the labor force
A disadvantage of the global economy for American workers is that companies are using more overseas labor (because it's cheaper) and so there are fewer jobs for American workers. !