1) If we are good in innovating we will retain customers. 2) If Great Britain hadn't created new jobs in service-related industries in the 1990s, there wouldn`t have been a shift in the economic base. 3) But for World War I and World War II the position of Great Britain in the world economy wouldn't have weakend.4) If more than 25% of the land in Great Britain was arable, the country would be the world leader in agriculture. 5) If the government reduces the size of the private sector in the economy, more joint enterprises will be set up.