1. The conflict began after Athens and Eretria gave assistance to the Ionians in their rebellion against Persia and its ruler, Darius.
<em>Answer:</em>
<em>dyad </em>
<em>Explanation:</em>
<em>In sociology, </em><em>a dyad group is described as a group that contains only two member or people and is considered as the smallest social group that is being possible so far. However, according to many sociologists, the pair of individuals who are involved in a dyad group is said to be linked through "romantic interest, work, partners in crime, family relations, some other interests, and so on".</em>
<em>As per the question, the statement signifies a dyad group. </em>
I think that the question is about 1990s specifically (in 1900 it was not independent, but part of the Austrian Empire) and the country is Czechoslovakia.
It split into Czech Republic (now also called Czechia, also officially) and into Slovakia: today two independent countries and part of the EU
Internal humidity can be controlled by: removing moisture at source, for example, using an extract fan in the bathroom, using a rangehood in the kitchen, venting a dryer to the outside and using only externally vented gas heaters. passive ventilation by opening windows.