One disadvantage of Pre-Columbian civilisations is that they had no animals that could be used to carry things - such as donkeys or horses, so the goods could not be transported as well as in the Old World - those animals simply did not evolve in America or disappeared by that time. People often had to transport the goods they wanted to sell on their backs.
I believe it is B
Win Shi Huang standardized writing, a crucial factor in the overcoming of cultural barriers between provinces, and unifying the empire. He also standardized systems of currency, weights, and measures, and conducted a census of his people.
I just multi task and do many thing while I’m doing work.
<span>The correct answer is
spatial skills. </span>
Boys tend to have
better abilities in understanding and remembering the spatial relations among
objects. These include remembering images and the finer details of spaces. It
also includes include in perceiving, visualizing, mental folding and mental
rotation od spatial relations.
