معنی کلمه developing historically

A historical pattern of economic growth in developing countries.

Historical development of the space economy is explained in part by declining transport costs .

In the discipline of history , historical development primarily refers to changes in the unfolding of history .

The historical circumstance that led to this development was the European exploration and their desire for raw materials that eventually led to Imperialism .

Failing analytically to probe its nature , historically we seek relief to our perplexities by tracing its origin .