Answer:
Economic and environment issues are most challenging for developing countries.
Explanation:
For a developing country, the issues of economic and employment are the most dangerous and challenging as the growth of all the other factors depends on this.
Economic and employment related issues can hamper the growth of the citizens which can further result in the slow development (growth) of the nation as well.
If the people of a developing country are not able to get the jobs it simply means that they are not creating per capita income for the income and thus putting the burden on the economy which is not a good for a developing country.
Chinese subjects were forced to adopt the customs of the Mongolia people.
A violent Civil war in Colombia that has lasted over 30 years is being financed by Communist Cuba.
The Seminole War was fought over control of Florida.