Connections between countries of the world have in recent history and can be expected to in the future.

Increased, increase

Connections between countries of the world have increased in recent history and can be expected to increase in the future.  

Countries of the world are connected economically, socially, politically, and environmentally. The movement of people, goods, services and ideas between countries of the world has increased largely and plays a major role in their interactions. The growth of foreign organizations, increment in trade between countries, and growth in transport and information technology indicates that connections between countries of the world are increasing.

c. seafloor spreading occurs.

d. crust becomes molten rock.

e. denser plates slide under lighter plates.