The largest<span> sum of </span>coin<span> currency one </span>can have without being able<span> to give </span>change for a dollar<span> is $1.19. This is made up of three quarters (or a single quarter and a single half-</span>dollar coin<span>), four dimes and four pennies.</span>
The answer to this question is A agriculture :)
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The Central Pacific and Union Pacific Railroad's experience many unspeakable challenges along the ... The Chinese immigrant population had grown on the west coast due to the discovery of gold. ... In the end, 11 tunnels were completed. An entire camp was taken out by an avalanche, including all of its workers. Another challenge they faced was the need to create tunnels through the mountains. Using nitroglycerin, they had to blast through the mountains in a very dangerous manner.
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Aztecs built chinampas ('floating gardens') in order to provide additional farm lands (answer C). The idea was to grow crops in small rectangular areas (ci. 30 x 2.5 m) on shallow lake beds. Aztecs began to use chinampas in Tenochtitlan in about 1250 AD.
Answer: Seguin served as courier from the Alamo. He led the only Tejano unit present at the Battle of San Jacinto where Santa Anna was defeated, and independence was eventually attained. Seguin remained in the army after the revolution. In the fall of 1837, he collected and interred the remains of the Alamo defenders.
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