Globalisation changed the world economy dramatically in the late 20th century. (Past Simple, т.к. действие произошло в определённый момент в прошлом).
By the time the internet became popular, many companies had already started outsourcing production. (Past Simple, т.к. действие произошло до другого действия в прошлом, которое выражено Past Perfect Continuous).
While developed countries were benefiting (fromglobalisation), many local farmers were losing their businesses. (Past Continuous, т.к. действие происходило в течение какого-то периода времени в прошлом).
The factory closed last year because it could not compete with cheaper imports. (Past Simple, т.к. действие произошло в определённый момент в прошлом).
Before 1990, most people had never heard the word "globalisation". (Past Perfect, т.к. действие произошло до определённого момента в прошлом).
She had been working for a multinational corporation for ten years before she lost her job. (Past Perfect Continuous, т.к. действие происходило в течение длительного периода времени до другого действия в прошлом).
When the financial crisis hit in 2008, many countries had already experienced job losses. (Past Simple, т.к. действие произошло в определённый момент в прошлом).
Global trade grew rapidly throughout the 1990s. (Past Simple, т.к. действие описывает факт или тенденцию в прошлом).
At 3 o'clock yesterday, the trade negotiators were discussing new tariff agreements. (Past Continuous, т.к. действие происходило в определённый момент в прошлом).
The company moved its production to China last month, which left hundreds of workers unemployed. (Past Simple, т.к. действие произошло в определённый момент в прошлом).
By 2010, outsourcing had become a common practice in the textile industry. (Past Perfect, т.к. действие произошло до определённого момента в прошлом).
While the government was promoting free trade, local manufacturers were struggling to survive. (Past Continuous, т.к. действие происходило в течение какого-то периода времени в прошлом).
Many young people were learning English and Chinese because they wanted to work for international companies. (Past Continuous, т.к. действие происходило в течение какого-то периода времени в прошлом).
The protesters gathered outside the WTO summit when the police arrived. (Past Simple, т.к. действие произошло в определённый момент в прошлом).
Before globalisation, this region depended mainly on agriculture. (Past Simple, т.к. действие описывает факт или состояние в прошлом).