<span>The Human Development Index (HDI) is a measure of average achievement in key dimensions of human development. The United Nations maintains this index. </span>
Some indicators that the HDi measure are:
- education
-gross national income
-life expectancy
they worled for reform and social services
They exported Grain in the late 1900th century
The correct answer is A.) electric sewing machine
Electric sewing machines replaced hand sewing and made it so that cloth could be produced at a faster rate than ever before.
