This is the 720th most frequent Finnish word.
hallitusta
"Hallitusta" is the partitive singular form of "hallitus," meaning "government."
Here, 'hallitusta' is again in the partitive case, functioning as the object of the verb 'arvostelevat' which requires the partitive for its object.
Kriitikot arvostelevat hallitusta sen talouspolitiikasta.
Critics criticize the government for its economic policy.
Here as well, 'hallitusta' fulfills the role of the partitive object, with the verb 'vaativat' requiring an object in the partitive case.
Kansalaiset vaativat hallitusta parantamaan terveydenhuoltoa.
The citizens demand the government to improve healthcare.
Here, 'hallitusta' is in the partitive singular because the government is spoken of in a hypothetical sense, hence needing the partitive to express this non-specific desire.