The phrase "and polities in a" is grammatically correct but incomplete, making it less usable in written English without additional context.
You can use it when discussing political entities or systems, typically as part of a larger sentence.
Example: "The study examines the relationships between cultures and polities in a global context."
Alternatives: "and governments in a" or "and political systems in a".
The Spanish conquest of Yucatán was the campaign undertaken by the Spanish conquistadores against the Late Postclassic Maya states and polities in the Yucatán Peninsula, a vast limestone plain covering south-eastern Mexico, northern Guatemala, and all of Belize.
Since then, a collection of his works was published in a book called A Functioning Society: Community, Society, and Polity in the Twentieth Century (2011).
The constituent polities in a federal system must be fairly equal in population and wealth or else balanced geographically or numerically in their inequalities.
This emergent urban-oriented, coastal-based and state-managed political economy was driven by the modernizing nation-building imperatives of the new state, which entails, among other tasks, (a) the recruitment of institutional cadres for the local governance of a communal polity in-formation, and (b) the preparation of a productive labour force for a modernizing economy.
What has these mini-polities in a roil is the loss of a dot and two letters -- the suffixes originally assigned to denote the territories in Internet domain names.
In other words, countries that experience higher fluctuations in the level of polity in a short time have more vulnerable to political instabilities and civil unrests.
Democracy: Democracy has flourished over the last few decades with various measures from sources like Freedom House and Polity IV in strong agreement.
Devolved Scotland is a new and fragile polity in which debate takes place within a narrow consensus.
Petén was divided into a number of different Maya polities engaged in a complex web of alliances and enmities.
Lewis does so very skillfully, moving these polities in and out as if he were operating a rotating stage set.
