By 1838, all of the following Central American countries became sovereign republics except El Salvador. The correct option among all the options that are given in the question is option "b". The country of El Salvador got its independence in the year 1841. The other countries in the question had already got their independence by 1838.
The Treaty of Versailles is now viewed as a tragic failure because it punished the Germans so heavily for their crimes. Therefore the answer is "<span>No. The other Allies wanted to punish Germany harshly for its actions."</span>
Some innovations of the Indus Valley civilisation are:
--Developed many new methods of handicrafts, carving intricate designs out of many types of stones and gems like carnelian
--Made things out of metals like copper bronze lead and tin (metallurgy)
--Had very well planned cities and towns
--Had very good drainage and water supply systems
--Had many non-residential buildings (not houses) like schools, etc.
--Invented the buttons and the ruler
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All of the below statement<span>s describes the corruption in the South during Reconstruction, therefore the answer is all of the above.
</span>
It took place in railway bonds.
It took place in construction contracts.
It took place in land sales.
The answer might be organization<span> of the Petroleum Exporting Countries </span>