HISTORY

How did the First World War effect changes in Brazil?

The First World War brought many changes in Brazil. The autocratic rule in the country ended with the end of the war. Instead, a democratic form of government was set up in the country. Agriculture, trade and commerce also made a progress in Brazil.

Show, with four instances, how the anti colonial movement after the Second World War caused the contraction of Europe.

After the Second World War there were anti-colonial movements in the World. Such anti-colonial movements arose in Syria, India, Burma, Indonesia, etc. As a result of these movements many countries of Europe lost their colonies in Asia, Africa, etc. As a result contraction took place in Europe.

Give an account of the family system in India in the eighteenth century.

In the eighteenth century, there was the patriarchal family system in India. Under this system father is the head of the family. His will was supreme in the household affairs of the family. His word was final in matters of matrimony. Only males had the right to inherit property.

State four practical achievements of the United Nations.

The four practical achievements of the United Nations are as follows: 1) It has stopped the war in Korea ,2) It has solved the problem of Indo-China, 3) The U.N. has compromised the conflict in Palestine and 4) It has ended the power Blocs of the world, hostile to one another.

Why did the great majority of Europeans want democracy after the Second World War ?

The Europeans had experienced the rude administration of the Fancist countries of Germany and Italy just before the Second World War. They felt acid test of the one man rule. So, they wanted to shift the power of a state from dictator to the Europeans wanted democracy.

 In what ways did young people begin to show their contempt for old values of life in the contemporary world?

In the contemporary world, the young people showed their contempt for old values of life. Formally life was almost without value, because political right was defined to them. Now the young people came to know what socialism is. Formally life was quite dependent on the rule of one or few men. Thus, values of life was lost for them. So, the young people showed contempt for these.

Briefly sketch the life before scientific and technical advancement.

Before the advancement of science and technology, the life of man was not comfortable. People did not enjoy the facilities of life such as electricity, electric fans, radio, televisions, etc. They lighted their houses with Kerosine lamps. They used wood or coal for heating and cooking.

Mention the chief causes of the progress of science and technology in the 20^th century.

In the 20^th century the governments came to know the importance of science and technology. They, therefore, encouraged the research works and scientific projects by giving financial help. Many wealthy persons also started research works. The large manufacturing industries also started research works in various industries. With all these factors there was progress in science and technology in the 20^th century.

State briefly the scientific advancement in the 20^th century in the field of chemistry.

The study in chemistry gave a vast store of information in the 20^th century. Many diseases were treated with the help of chemicals.

What advancement of science and technology was made during the second decade of the 20^th century?

During the second decade of the 20^th century (1910-1920) radio and wireless communication was invented. Railway vehicles were also introduced during this period in large numbers. Many big canals including the 50 miles long Panama canal was also dug during this period.