You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Gamal_Abdel_Nasser

Context:
The national economy grew significantly through agrarian reform, major modernization projects such as the Helwan steel works and the Aswan Dam, and nationalization schemes such as that of the Suez Canal. However, the marked economic growth of the early 1960s took a downturn for the remainder of the decade, only recovering in 1970. Egypt experienced a "golden age" of culture during Nasser's presidency, according to historian Joel Gordon, particularly in film, television, theater, radio, literature, fine arts, comedy, poetry, and music. Egypt under Nasser dominated the Arab world in these fields, producing cultural icons.

Question:
What reform, initiated by Nasser, caused the Egyptian economy to grow?

agrarian