In Britain, free trade became a central principle practiced by the repeal of the Corn Laws in 1846.   Large-scale agitation was sponsored by the Anti-Corn Law League.  Under the Treaty of Nanking, China opened five treaty ports to world trade in 1843. The first free trade agreement, the Cobden-Chevalier Treaty, was put in place in 1860 between Britain and France, which led to successive agreements between other countries in Europe. Many classical liberals, especially in 19th and early 20th century Britain  and in the United States for much of the 20th century , believed that free trade promoted peace.  Woodrow Wilson included free-trade rhetoric in his "Fourteen Points" speech of 1918:

What treaty led to the opening of Chinese ports to other countries?
A: Treaty of Nanking

Bolivia is inhabited mostly by Quechua people (45.6%) and Aymara people (42.4%), while minorities include 37 Indigenous peoples in Bolivia (0.3% average per group). The Spanish, Quechua language, Aymara language, Guarani languages, as well as 34 other native languages are the official language of Bolivia. Spanish is the most-spoken language (60.7%) within the population. The main religions of Bolivia are Catholicism (81.8%), Evangelicalism (11.5%), and Protestantism (2.6%). Education is of poor quality, and has a 91.2% literacy rate. An estimated 7.6% of the countrys gross domestic product (GDP) is spent on education. The average monthly household income was Boliviano1,378 ($293) in 1994. In December 2013 the unemployment rate was 3.2% of the working population. Average urbanisation rate in Bolivia is 67%.

How many percent of the Bolivian people are not literate?
A: 8.8

Winless Tampa Bay shocked first place Seattle by jumping out to a 21-0 lead just before halftime. However, the Seahawks came back in the second half to tie the game and force overtime. Tampa Bay won the coin toss in overtime, but went 3-and-out on their first possession. Seattle kicked a field goal on the next possession, and completed their greatest comeback (21 points) in franchise history. This dropped the Buccaneers to 0-8 on the season. They also shared that start with the Jacksonville Jaguars. Due to a Jaguars victory over the Titans in Week 8, the Buccaneers became the NFL's only winless team.

How many points were scored in the first half?
A:
21