Launched a much more aggressive expansion of Asia <span />
a.
It established monthly mail routes and post offices throughout the West.
The correct option is C.
The economic activities that occur in a nation is usually divided into three categories, which are primary, secondary and tertiary economic sectors. The primary sector involves the extraction of mineral resources and farming. The secondary sector involved the production of finished usable goods and construction while the tertiary sector involved production of services to consumers.