George Gershwin helped spread jazz and ragtime music to white people. Before that, jazz was a predominantly black music and was considered too raucous to white people. Gershwin made it popular because he too was white.
Answer:
Three weeks too late... but
Magyars -con hungry
Muslims - invaded from Spain, con Sicily
Vikings- invaded Scandinavia , raided monsataries
Explanation:
An alliance is someone or group you team up with.