Sensing Cesare's weakness, the dispossessed lords of the Romagna offered to submit to the Republic of Venice in exchange for aid in regaining their dominions; the Venetian Senate accepted and had taken possession of Rimini, Faenza and a number of other cities by the end of 1503.
After the central government failed to provide local governments with provisions during both a locust swarm and the flooding of the Yellow River in 153 AD, many landless peasants became retainers of large landowners in exchange for aid.
The party took most of the blame for the painful rounds of austerity measures enacted in exchange for aid and debt relief from foreign creditors.
But as in Sudan, it could be China, which is in the process of negotiating Chadian oil concessions in exchange for promises of aid, investment and possibly arms, that might yet have the most decisive influence on whether Mr Déby stays or goes.
North Korea's official news agency carried comments this week from a Foreign Ministry official criticizing the air assault on Libyan government forces and suggesting that Libya had been duped in 2003 when it abandoned its nuclear program in exchange for promises of aid and improved relations with the West.
2012: After the collapse of previous negotiations, Pyongyang agrees to suspend nuclear testing and enrichment in exchange for aid.
The envoys will explore a possible resumption of the six-party talks, an inert process that was originally intended to shut down North Korea's nuclear adventures in exchange for a range of aid shipments.
Remittances, the money that migrants earn working abroad and send back to their home country, can be a crucial source of foreign exchange and aid the long-term development of the home country.
As farmers around Marja, the heart of Afghanistan's opium industry, confront harsh environmental conditions and new interdiction efforts, they are also receiving offers of aid in exchange for growing different crops.
The switch to the active state is promoted by guanine nucleotide exchange factors (GEFs), which aid exchange of GDP for GTP.
