a lot of new weapons were introduced. to name a few- gunpowder, firearms and cannons
One major problem is human rights, poverty, justice, and drug dealers
Shipbuilding. World War 1 was the first major war in which a mass-produced navy was used.
Answer:
Healthy environment indicates good and protective nature without hazards. This healthy environment supports life of all living organisms with out any problems. Healthy life gives happiness increasing the life span of the people. Thus the statement Healthy environment support healthy and happy life is true.
