<span>The answer that will fill in the space provided is largest. It is because the three tiers of double locks that can be located at Gatun in which is a small town that can be located at the atlantic side in the panama canal, has constructed this and was called to be the largest.</span>
Conquest contributed to growth of different organized empires which contributed to expansion of trade, postal network, road network and administration which was well organized.
There were other empires which contributed to the conquest. For example,
1. Persian empire which linked the west and east, and also cultural diffusion.
2. Athenian empire which kept the pirates away and the persian defeat.
3. Ptolemaic empire contributed to trade lines to be built up and also new ports which were built during that empire period.
Even though the map wasn't provided, it is possible to answer the question by saying that the correct alternative is letter<em> A: Nazi leaders wanted to keep the existence of extermination camps secret.</em>
The extermination camps were built to murder sistematically jewish, communist and all other kinds of people that the Nazi considered inferior. The idea was to have them in hidden places so as not to cause commotion.
The main way in which the railroads contributed to the end of the large buffalo herds was that "The railroad tracks were obstacles that the buffalo would not cross". It sounds silly, but the buffalo actually refused to cross the tracks for reasons that are still misunderstood.<span />
