During the 1800s, these developments contributed to environmental improvements in eastern europe

In order to mend the environmental issues in Eastern Europe, the Government must take steps to create mindfulness in the general public regarding the environmental concerns. Water pollution is considered to be the major factor of environmental concern in Eastern Europe.

Development of international policy would also pacify the concern as the Government may seek aid and assistance from other countries. The Government can collect data and enforce policies that safeguard the environmental resources from getting washed-out or damaged.

Danube River is considered to be important for Eastern Europe because it connects the Eastern Europe and Central Europe. Since 1800, this river route is used for trade and transportation.

#2 the answer is d

#3 the answer is a

#4 the answer is b