New Delhi, May 20 -- Across states, the primaries highlighted two parallel trends: Republican races increasingly shaped by Trump-aligned candidates and ideological loyalty tests, and Democrats focusing on swing-district consolidation ahead of a competitive House battle in November. Meanwhile, voter-driven issues like taxes and affordability continued to strongly influence ballot outcomes.

Here are the key takeaways from primary elections held across Alabama, Georgia, Idaho, Kentucky, Oregon and Pennsylvania.

In Kentucky, Donald Trump-backed candidate Ed Gallrein defeated longtime Republican Rep. Thomas Massie in a closely watched and expensive GOP primary for the 4th Congressional District.

Gallrein won 55% to Massie's 45%, according t...