A specific example of Japan's close cooperation with the United States included its quick response to the United States' call for greater host nation support from Japan following the rapid realignment of Japan-United States currencies in the mid-1980s due to the Plaza and Louvre Accords. The currency realignment resulted in a rapid rise of United States costs in Japan, which the Japanese government, upon United States request, was willing to offset. Another set of examples was provided by Japan's willingness to respond to United States requests for foreign assistance to countries considered of strategic importance to the West. During the 1980s, United States officials voiced appreciation for Japan's "strategic aid" to countries such as [Pakistan, Turkey, Egypt, and Jamaica. Prime Minister Kaifu Toshiki's pledges of support for East European and Middle Eastern countries in 1990 fit the pattern of Japan's willingness to share greater responsibility for world stability. Another example of US-Japan cooperation is through energy cooperation. In 1983 a US-Japan working group, chaired by William Flynn Martin, produced the Reagan-Nakasone Joint Statement on Japan-United States Energy Cooperation. Other instances of energy relations is shown through the US-Japan Nuclear Cooperation Agreement of 1987 which was an agreement concerning the peaceful use of nuclear energy. Testimony by William Flynn Martin, US Deputy Secretary of Energy, outlined the highlights of the nuclear agreement, including the benefits to both countries.