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.
new technologies changed warfare because nobody ever had to face mustard gas or trench warfare before. the unknowing and harshness of these made mustard gas banned in war and the (in the best way i can put it) injury/illness of trench foot to make people loose there legs, until combat boots where created.
Answer: The trading posts in both regions were intended to allow the Portuguese to control access to heavily trafficked maritime routes
Explanation:
The Portuguese trading posts established in both Africa and Asia were intended to control trade routes instead of conquering territory. First developed by Portuguese sailors, the over fifty fortified trading posts were set in pivotal locations between west Africa and east Asia where they could force merchant vessels to pay duties.
Spain, like most other countries, wen they could not overcome social and economic problems during the Great Depression, enacted harsh austerity measures, which actually made things worse and led to the rise of dictators.