Chinese and Irish immigrants in the mid 1800s contributed to the development of a transcontinental railroad system by doing what

From 1863 and 1869, roughly 15,000 Chinese workers helped build the transcontinental railroad. They were paid less than American workers and lived in tents, while white workers were given accommodation in train cars

Explanation:

answer; /// i do believe that its napolean's conquest of spain;

it would be that mali has the worst literacy rate than the others