The phrase "a powerful base and" is correct and usable in written English.
It can be used when describing a strong foundation or support for an argument, project, or concept, often leading into further elaboration.
Example: "To succeed in this competitive market, we need a powerful base and a clear strategy to differentiate ourselves from our competitors."
Alternatives: "a strong foundation and" or "a solid base and".
I am so looking forward to this year because I think their kindness, determination, and goofiness provides a powerful base for intelligent and practical change.
Seizing the opportunity afforded by the Syrian armed uprising against President Bashar al-Assad, ISIS chief Abu Bakr al-Baghdadi expanded his activities to the neighbouring country and established a powerful base which has yielded new recruits and precious financial and operational assets.
It created a powerful base in California through democratic rank-and-file trade unionism and refused to give into concessionary deals when other nurses unions in California were.
Vahap Coskun, an expert on Kurdish movements at Dicle University in Diyarbakir, said that from its inception, the P.K.K. saw that Kurdish women could provide a powerful base for political organization and on the battlefield.
Similarly, the bare −OH ion in sodium hydroxide (NaOH), made soluble in hexane (C6H14) by 15-crown-5, is a more powerful base and nucleophile than it is when solvated by polar solvents such as water or an alcohol.
Eben Upton said the UK tech industry has a powerful base of high quality engineers and academic research, investment funding and business networks, but that the government could do more regionally.
He quietly organised a powerful base of support among Labour backbenchers and asked a new woman MP, Ann Keen, to manage it.
By entering a community and establishing a powerful base of converts, there is the potential to influence the educational system, economic activities, social policy, government bureaucracy, and even military affairs.
By exploiting the deepening Sunni-Shia rift in Iraq and the sectarian civil war in Syria, al-Baghdadi has built a powerful base of support among rebellious Sunnis and has blended his group into local communities.
Kevin McDonald and Stefan Johansen, a summer signing from Celtic, provide a powerful base for the creative talents of Sone Aluko and Lucas Piazon to play.
