Solomon Islands PM Manasseh Sogavare also signed up to the deal despite reports in the lead-up that he might abstain.Beijing last year had also accelerated efforts to gain influence in the region - to mixed effect.While it inked a security deal with the Solomons in March, it failed to secure a trade and security deal with 10 regional countries a few months later despite a lobbying tour from China's then Foreign Minister Wang Yi.
