Answer:
American Indians are more complex and dangerous than most Europeans realize. American Indian tribes have pledged their loyalty to Britain and can be exploited. American Indians can be easily conquered and do not pose a serious threat
Explanation:
The answer in the question provided is letter b, lack of
industrialization. It is because developing nation or country usually involves
of having industrial bases to be less develop than of the developed countries
in which lack industrialization is one of the things found in a developing
nation.