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Questions 11, 12, and 13 refer to the following text.
Although we tend to think of globalization as a
modern phenomenon, the hallmarks of its activity,
from free trade zones to duty rates, have been
around for millennia. Evidence of customs activity
5 has been excavated all over the world, from the
ports of ancient Greece to the Great Wall of China.
The evidence suggests that complex systems of
controls and taxes on traded commodities were in
existence well before industrialization, as well as the
10 reasoning behind them. It was easy to see among
small populations that unmitigated dependence on
foreign merchandise would indebt and stress the
community.
Scholars believe that the earliest customs fees
15 were actually voluntary, and offered by travelling
merchants as a bribe to sovereigns for considerate
treatment. Over time, this bribe became mandatory.
It was called ‘duty,’ a fee charged for the privilege
of trading in a particular kingdom. The collection
20 itself was outsourced to tax farmers, who would
use any means necessary — including violence —
to obtain what had become a key revenue source
for monarchies. The first written customs tariff was
developed in Palmyra (present day Syria) and was
25 engraved in stone. However, professional customs
offices and officials were introduced by ancient
Rome.
Despite major advances, the essence of customs
has neither disappeared nor changed. While today’s
30 agencies screen for a variety of novel threats, from
security to the environment, protecting the local
market is the motivation behind every decision,
even if it is not always clear to the importer.
(source: Border Bee, A brief history of customs, retrieved on 11 September 2018 from <https://borderbee.com>. Adapted.)
In the sentence “The collection itself was outsourced to tax farmers, who would use any means necessary – including violence – to obtain what had become a key revenue source for monarchies”,
“collection” refers to a group of similar objects.
“outsourced” means tax farmers were foreigners.
“itself” is used as an element of emphasis.
“would” can be correctly replaced with will.
“key” is synonymous with obligatory.